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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 is difference between a ray and a half line?

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

what does coincide in geometry mean???

(4) universal truths specific to geometry

Write a short note on the history of Euclid.

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.

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

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

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.

i dont understand the reason point, line and plane are called undefined in remark. The explaination given is not at all clear. How being basic shape of geometry make them undefined?

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.

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.

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

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.

11)9 men visited a hotel, 8 of them spent Rs 4 each over meal and the 9^{th}spent Rs 2 more than the average of the nine. What the total spent by them on the meal?write the autobiography of Euclid?

AM = 1/2 AB

AN = 1/2 AC

SHOW THAT AB = AC

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

what are the contribution of euclid in the development of geometry ?

Why 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 ABwhat is the difference between line and line segmentIF 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

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

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!

a line from vertex C of triangle ABC bisects the median from A.Prove that it divides the side AB into 1:2.

Use euclids axioms to prove the following:

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

which of the following needs a proof (1)postulate (2)axioms (3)theorem (4)definition?

Solve this :$2.Infigure,BD=DCand\angle DBC=25\xb0,findthemeasureof\angle BAC.\phantom{\rule{0ex}{0ex}}$

what is the difference between axioms & postulates

What is Euclid's 5th postulate?

euclid's contribution to mathematics

A ray has no end point. True or false?

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

example 2 :

rnIn the given line segment AD, AC = BD. Prove that AB = CD.

rnis AD , AC = BD? Because i think it should be AD - AC = BD..... ??What is deductive reasoning ?

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.

Why that badge is not comming

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.

what is the difference between axioms and postulates ? please tell it me in detail..i am very confused about it !

no links please

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}?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?

what is the difference between euclids axioms and postulates?

I Know surface is that which has length and breadth only but how .? Explain with diagram.?

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

if 2m=200cm3m=300cm,then prove that 5m=500cm using an euclid's axiom.

' 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

a. Sulbasutras.

b.Vedis.

c. Sriyantra.

biodata of euclid.

pls tell me some famous mathematical problems featuring

picrossword puzzle on euclid geometry

why are points and lines called undefined in geometry????