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Akhilesh Kumar
Subject: Maths
, asked on 14/2/18
Answer fast
28.
In figure, equal chords AB and CD intersect each other at Q at right angle P and R the mid-points of AB and CD respectively. Show that OPQR is a square.
Answer
1
Bitan
Subject: Maths
, asked on 14/2/18
I can't understand the question
1) If a line intersects to concentric circle with centre O at A, B, C, and D. prove that AB = CD.
Answer
1
Vnv Sai Krishna
Subject: Maths
, asked on 14/2/18
Solve this :
10
.
Figure
16
.
201
,
ABCD
is
a
quadrilateral
inscribed
in
a
circle
with
centre
O
,
CD
is
produced
to
E
such
that
∠
AED
=
95
°
and
∠
OBA
=
30
°
.
Find
∠
OAC
.
Answer
1
Ambuj Agarwal
Subject: Maths
, asked on 10/2/18
A chord of length 16 cm is drawn in a circle of radius 10 cm. Find the distance of the chord from the centre of the circle.
Answer
1
Anushka Mishra
Subject: Maths
, asked on 8/2/18
In a circle of radius 18cm AB and AC are 2 chords such that AB=AC=12cm. Find the length of BC
Answer
2
Aryan Panda
Subject: Maths
, asked on 7/2/18
Can you tell me some interesting facts on circles.
Answer
2
Saksham Gupta
Subject: Maths
, asked on 6/2/18
PLEASE SOLVE AND.EXPLAIN THIS QUESTION 14
Q.14. In the given figure, O is the centre of the circle. Find the value of x.
Answer
2
Sneha Maity
Subject: Maths
, asked on 4/2/18
Solve this:
Q. A triangle ABC is inscribed in a circle, the bisectors of whose angle meet the circumference at X, Y and Z. Determine the angles X, Y and Z respectively.
(A) 90° –
A
2
,
90
°
-
B
2
,
90
°
-
C
2
(B) 90° , 60° , 30°
(C)
A
2
,
B
2
,
C
2
(D)
B
2
,
A
2
,
A
2
-
B
2
Answer
1
Aastha Palak
Subject: Maths
, asked on 3/2/18
Prove that there is only one Circle passing through 3 non colinear points
Answer
1
Yashita
Subject: Maths
, asked on 3/2/18
In Fig. 16.170, AB is a diameter of a circle C(O, r) Chord CD is equal to radius OC. If AC and BD when produced intersect at P, prove that ∠APB is constant.
Answer
1
Rishika
Subject: Maths
, asked on 3/2/18
Q. In figure AB = AC. BP is angle bisector of B
Prove CQ = CA
Answer
1
Reetu Shree
Subject: Maths
, asked on 30/1/18
ac is the diameter if angle ebc=50 degrees find angle ced
Answer
1
Aastha Palak
Subject: Maths
, asked on 29/1/18
Q.7. In Fig. 16.136, O is the centre of the circle, prove that
∠
x
=
∠
y
+
∠
z
.
Answer
1
Archana Pradeep
Subject: Maths
, asked on 29/1/18
Plz solve this question
Given: AB=AC
∠
E
=
100
°
To find: x and y.
Answer
1
Archana Pradeep
Subject: Maths
, asked on 29/1/18
Plz solve this
Answer
2
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28. In figure, equal chords AB and CD intersect each other at Q at right angle P and R the mid-points of AB and CD respectively. Show that OPQR is a square.
1) If a line intersects to concentric circle with centre O at A, B, C, and D. prove that AB = CD.
Q.14. In the given figure, O is the centre of the circle. Find the value of x.
Q. A triangle ABC is inscribed in a circle, the bisectors of whose angle meet the circumference at X, Y and Z. Determine the angles X, Y and Z respectively.
(A) 90° – (B) 90° , 60° , 30°
(C) (D)
Prove CQ = CA
To find: x and y.