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Muskan
Subject: Maths
, asked on 1/3/18
A person walks towards a tower. Initially when he starts an angle of elevation of the top of the tower is 30 degree. On traveling 20 metres towards the tower, the angle changes to 60 degree. How much more he has to travel.
Answer
1
Saurabh Sharma
Subject: Maths
, asked on 1/3/18
ques. 28
Q.28. In the given figure, PQR is a triangle where vertices R lies on the circumference of the semi-circle with diameter PQ and centre O. PRS and QS are the line segments. Prove that
$PR\times PS+QT\times QS=P{Q}^{2}$
.
Answer
1
Suvam
Subject: Maths
, asked on 25/2/18
Two sides of a triangle are 8 cm 3 cm.third side of the triangle cannot be
Answer
1
Anushka Bhardwaj
Subject: Maths
, asked on 25/2/18
28th plzz
Q.28. In the given figure, PQRS is a square and SRT is an equilateral triangle. Prove that :
(i)
$\angle PST=\angle QRT$
(ii) PT = QT
(iii)
$\angle QTR=15\xb0$
Answer
1
Arjun Pal
Subject: Maths
, asked on 22/2/18
Solve this:
Q.1. Find the value of x.
Answer
2
Yash Srivastava
Subject: Maths
, asked on 19/2/18
Q.12. D is the mid-point of side BC of
$\u25b3ABC$
and E is the mid-point BD. If O is the mid-point of AE, then prove that ar
$\u25b3BOE=\frac{1}{8}ar\left(\u25b3ABC\right)$
.
Answer
1
Saad Ajaz
Subject: Maths
, asked on 17/2/18
Triangle xyz and triangle pyz are two isoceles triangle on the same base yz and xy=xz and py=pz.if angle p=120 degree and angle xyp = 40 degree,then find angle yxz
Answer
1
Adyasha Soumya Routray
Subject: Maths
, asked on 14/2/18
True or false ? Justify.
Q. The median of the triangle divides it into two right-angled triangles. State true of false. Justify.
Answer
2
Adyasha Soumya Routray
Subject: Maths
, asked on 14/2/18
Solve Qno.5 and 6
Fast please!
Q5. ABC is a isosceles
$\u2206$
with AB = BC. Drawn AP
$\perp $
BC, so that
$\angle $
B =
$\angle $
C.
Q6. If a student goes to school by car if the distance of his school can be obtained by the reminder when
$\frac{{x}^{4}+{x}^{3}-2{x}^{2}+x+1}{x-1}$
find the distance of the school.
Answer
3
Vaishnavi G
Subject: Maths
, asked on 13/2/18
A triangle ABC is right angled at A. L is a point on BC such that AL ⊥ BC.
Answer
1
Vaishnavi G
Subject: Maths
, asked on 13/2/18
28th question
28.
In the given figure, AB is the chord of a circle with centre O and AB is produced to C such that BC = OB. Also CO is joined and produced to meet the circle in D.
$If\angle ACD={y}^{\xb0}and\angle AOD={x}^{\xb0},provethatx=3y.$
Answer
1
R. Lasyapriya
Subject: Maths
, asked on 13/2/18
Solve this :
In the given figure, RS = QT and QS = RT, prove that PQ = PR.
Answer
1
Pranav Jajoo
Subject: Maths
, asked on 12/2/18
Pls answer fast
P,Q,R are, respectively, the mid points of sides AB, BC and CA of a triangle ABC. PR and AQ meet at X. BR and PQ meet at Y. Prove that
$XY=\frac{1}{4}AB$
Answer
1
Vanshikaa Jani
Subject: Maths
, asked on 11/2/18
AD and BE are medians BE || DF
Prove : C
F
=
$\frac{1}{4}$
AC
AE = CE
BD = DC
DF = OE
Answer
2
Adithya K.b.
Subject: Maths
, asked on 11/2/18
Please answer these questions fast.
Q21. In Figure 12.
$\angle $
BCD =
$\angle $
ADC and
$\angle $
ACB =
$\angle $
BDA. Prove that AD = BC and
$\angle $
A =
$\angle $
B.
$\u2206$
ABC and
$\u2206$
ABD are two triangles on the same base AB, If line segment CD is bisected by
Q22. AB at O. Show that ar (ABC ) = ar (ABD)
Express x = 3y in the form ax + by + c = 0 and indicate the value of a, b and c. Write two
solutions of the equation.
Answer
1
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Q.28. In the given figure, PQR is a triangle where vertices R lies on the circumference of the semi-circle with diameter PQ and centre O. PRS and QS are the line segments. Prove that $PR\times PS+QT\times QS=P{Q}^{2}$.

Q.28. In the given figure, PQRS is a square and SRT is an equilateral triangle. Prove that :

(i) $\angle PST=\angle QRT$

(ii) PT = QT

(iii) $\angle QTR=15\xb0$

Q.1. Find the value of x.

Q. The median of the triangle divides it into two right-angled triangles. State true of false. Justify.

Fast please!

Q5. ABC is a isosceles $\u2206$ with AB = BC. Drawn AP$\perp $ BC, so that $\angle $B = $\angle $C.

Q6. If a student goes to school by car if the distance of his school can be obtained by the reminder when $\frac{{x}^{4}+{x}^{3}-2{x}^{2}+x+1}{x-1}$ find the distance of the school.

28. In the given figure, AB is the chord of a circle with centre O and AB is produced to C such that BC = OB. Also CO is joined and produced to meet the circle in D. $If\angle ACD={y}^{\xb0}and\angle AOD={x}^{\xb0},provethatx=3y.$

Solve this :In the given figure, RS = QT and QS = RT, prove that PQ = PR.

P,Q,R are, respectively, the mid points of sides AB, BC and CA of a triangle ABC. PR and AQ meet at X. BR and PQ meet at Y. Prove that

$XY=\frac{1}{4}AB$

Prove : CF = $\frac{1}{4}$ AC

AE = CE

BD = DC

DF = OE

Q21. In Figure 12. $\angle $BCD = $\angle $ADC and $\angle $ACB = $\angle $BDA. Prove that AD = BC and $\angle $A = $\angle $B.

$\u2206$ABC and $\u2206$ABD are two triangles on the same base AB, If line segment CD is bisected by

Q22. AB at O. Show that ar (ABC ) = ar (ABD)

Express x = 3y in the form ax + by + c = 0 and indicate the value of a, b and c. Write two

solutions of the equation.