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give examples for euclids axioms and postulates

ans-

let the first angle be x

second angle be x-90 degree

therefore , x+(x+25)=90 degree

2x+25=90 degree

2x=90-25

2x=65

x=65/2=32.5

I didn"t understand this question .pls experts answer fast

prove that the sum of any two sides of a triangle is greater than twice the length of median drawn to the third side

: Prove that an equilateral triangle can be constructed on any given line

AB = AC, since they are the radii of the same circle (1)Similarly, AB = BC (Radii of the same circle) (2)what do you mean by an integral multiple of 360 degrees

prove that every line segment has one and only one mid point by using euclid's postulates and axioms.

Postulate I: It is possible to draw a straight line from any point to any other point.As per this postulate, if we have two points P and Q on a plane, then we can draw at least one line that simultaneously passes through the two points. Euclid does not mention that only one line can pass through two points, but he assumes the same. The fact that only one line can pass through any two points is illustrated in the following figure.

Postulate II: A terminated line can be produced indefinitely.This postulate can be considered an extension of the first postulate. According to this postulate, we can make a straight line that is different from a given line by extending its points on both sides of the plane.

In the following figure, MN is the original line, while M'N' is the new line formed by extending the original line in either direction.

Postulates III and IVPostulate III: It is possible to describe a circle with any centre and radius.According to Euclid, a

circleis a plane figure consisting of a set of points that are equidistant from a reference point. It can be drawn with the knowledge of its centre and radius.Circles with different radii have different sizes but the same shape.

Postulate IV: All right angles are equal to one another.A right angle is unique in the sense that it measures exactly 90. Hence, all right angles are of the measure 90, irrespective of the lengths of their arms. Thus, all right angles are equal to one another. For example, in the following figure, ABC = GHI = DEF = 90.

Explanation of All Four PostulatesFollowing rules were observed while measuring the lengths of line segments and angles. These rules were not stated separately but these were assumed by Euclid in the derivation of new postulates. These can be taken as additional postulates.

Rule 1.Every line segment has a positive length.Rule 2.If a point R lies on the line segment PQ, then the length of PQ is equal to the sum of the lengths of PR and RQ. That is, PQ = PR + RQRule 3.Every angle has a certain magnitude. A straight angle measures 180.Rule 4.If raysare such thatlies between,then POQ = POR + ROQ

Explanation of All Four PostulatesRule 5.If the angle between two rays is zero then they coincide. Conversely, if two rays coincide, then angle between them is either zero or an integral multiple of 360.Example 1:Prove that an isosceles triangle can be constructed on any given line segment.

Solution:Say we have a line segment AB of any length.

Let us extend AB to the points X and Y in either direction, such that AX = BY.

Now, as per Euclids second axiom, we have:

AX + AB = BY + AB

⇒BX = AY (1)

Using Euclids third postulate, let us draw a circle with A as the centre and AY as the radius. Similarly, let us draw another circle with B as the centre and BX as the radius. Let the circles intersect at a point C.

Now, let us join A and B to C to get the line segments AC and BC respectively. We thus obtain ΔACB.

Now, we have to prove that ΔACB is isosceles, i.e., AC = BC.

AY and AC are the radii of the circle with centre A; BX and BY are the radii of the circle with centre B.

∴AY = AC (2)

Similarly, BX = BC (3)

From equations 1, 2 and 3 and Euclids axiom that things which are equal to the same thing are equal to one another, we can conclude that AC = BC.

So, ΔACB is isosceles.

what does coincide in geometry mean???

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Write a short note on the history of Euclid.

Show that of all line segments drawn from the given point not on it, the perpendicular line segment is the shortest.

i have solved it in this way to prove AC= BC

AB = AX + CX and BC = CY + BY then as we can see X abd Y are two mid points

then we can write AB = AX +AX and BC = CY + CY we get AB = 2 AX and BC = 2 CY as we have given AX = CY the AB = BC is this correct or not please please please tell me tomorrow i s my test

What is the difference between axiom and postulate? plz be detailed

how to remember euclid's axioms and postulates easily?

C is the mid point of AB and D is the mid point of AC. Prove that

AD=1/4 AB

1) How many line segments can be determined by:-

(i) three collinear points? (ii) three non-collinear points?

2) How many planes can be determined by:-

(i) three collinear points? (ii) three non-collinear points?

In the following figure, if AC = BD, then prove that AB = CD.

In the above question, point C is called a mid-point of line segment AB, prove that every line segment has one and only one mid-point.

in a given figure we have ab=bc,bx=by.show that ax=cy.state the axiom used.

What is the 15

^{th}term of an A.P. whose 7^{th}and 11^{th}terms are 51 and 79 respectively?Give daily life examples of Euclid's Axiom 1.

angle 1=angle 4 and angle 3 =angle 2. by which euclid's axiom , it can be shown that if angle 2= angle 4 then angle1= angle 3.

A ray has no end point. True or false?

It could be silly but my maths sir is confusing me.

IN THE ADJOINING FIGURE,IF ANGLE 1=ANGLE 2,ANGLE 3 =ANGLE 4.ANGLE 2=ANGLE4, THEN FIND THE RELATION BETWEEN ANGLE1 AND ANGLE 3, USING EUCLIDS AXIOM.

write the autobiography of Euclid?

solve the equation x-15=25 and state euclids axiom used here.

check whether the polynomial p(x)=4x

^{3}+4x^{2}-x-1 is a multiple of 2x+1Why is Axiom 5, in the list of Euclid’s axioms, considered a ‘universal truth’? (Note that the question is not about the fifth postulate.)

If a point C lies between two points A and B such that AC=BC, then prove that

AC=1/2 ABIF A,B,C are three points on a line and B lies between A and C PROVE THAT AB + BC =AC. STATE EUCLID AXIOMS OR POSTULATE

what is the meaning of

plane surfaceis one that lies evenly with the straight lines on itself.plane angleis the inclination to each other of two lines in a plane, which meet each other and do not lie in a straight line.Hi,

n,l,m are three lines in the same plane. If l intersects m and n is parallel to m, show that l also intersects n.

Pls guide me in solving this problem. Thanks!

Define Concurrent lines

Use euclids axioms to prove the following:

Given x+y=10 and x=z . Show that z+y=10.

(4) universal truths specific to geometry

THERE IS A TRIANGULAR PARK PQR WHOSE ANGLES P, Q AND R ARE IN THE RATIO OF 2 :3:4 RESPECTIVELY . THREE FREINDS RASHMI ,SITA AND GEETA GO DAILY ON MORNING WALK AND WALK ALONG THESE THREE SIDES PQ ,QR AND PR RESPECTIVELY . WHO WALKS MAXIMUM DISTANCE AMONG THESE THREE ? WHO WALKS LEAST ? WHY MORNING WALK IS NECASSARY FOR US ?what is the difference between axioms & postulates

What is Euclid's 5th postulate?

euclid's contribution to mathematics

It is urgent I hv exam tommorow

what is postulates and axioms

explain when a system of axioms is called consistent

in the ncert reader ..in pg 83..it is given that.. "A system of axioms is called consistent (see Appendix 1), if it is impossible to deduce from these axioms a statement that contradicts any axiom or previously proved statement. So, when any system of axioms is given, it needs to be ensured that the system is consistent. " i did not understand this topic...pls can any of u explain it...

If lines AB,AC,AD,AE are drawn parallel to line PQ,Then show that A,B,C,D are collinear points.

n- parallel lines are intersected by a transversal and the number of pairs of vertically opposite angles are 16 ,then the value ofnis(1) 6

(2) 8

(3) 2

(4) 4

If P,Q and R are three points on a line and Q lies between P and R then show that PQ + QR = PR.(by using euclid's axioms)

If a point C lies between two points A and B such that AC = BC, then prove that. Explain by drawing the figure.

1. How many lines can be drawn through a given point ?

2. In how many points two distinct lines can intersect ?

3. In how many lines tow distinct planes can intersect ?

4. In how many least no. of distinct points determine a unique plane ?

5. If B lies between A and C and AC=10, BC=6, what is AB

^{2}?How would you rewrite Euclid’s fifth postulate so that it would be easier to understand?

Life of Euclid and his Contribution to mathematicsgive me some points, guidelines to start on this Project.

prove two distinct lines cannot hace more than one point in common?

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can any one explain me the 3rd axiom:'if equals are added to equals,the wholes are equal.'

what is the difference between euclids axioms and postulates?

if B lies between A and C , AC = 21 cm and BC = 10 cm , what is AB square

' Lines are parallel if they do not intersect' is stated in the form of:

a) an axiom b) a definition

c) a postulate d) a proof

Please help in answering the following:

If lines AB, AC, AD and AE are parallel to line l, then show that the points A, B, C, D and E are collinear.

biodata of euclid.

then AB = AX + BX and BC = BY + CY

then as we have given BX =BY so we can subtract BX from both the sides we will get AX + BX - BX= BX + CY - BX we will get AX = CY please expert tell me this fast please please please

pls tell me some famous mathematical problems featuring

picrossword puzzle on euclid geometry

In the given figure, if AB = CD, then prove that AC = BD. Also write the Euclid’s axiom used for proving it.

_{Are the axioms, postulates, theorame very importantant to be remembered???????????}