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Devesh Kumar Biswal
Subject: Maths
, asked on 1/1/18
27. A and B are the centres of two unequal circles which intersect at P and Q respectively as shown in figure. Prove that ∠PAB = ∠QAB. Also show that M is the mid-point of PQ and angles at M are at right angles.
28. In figure, M is the mid-point of arc APB. Show that ∠BOA = 4 × ∠BAM.
Answer
1
Harsh Sethi
Subject: Maths
, asked on 28/12/17
Plzz ans fast!!!
Q). In given fig., AB is diameter of circle
$CD\parallel AB$
and
$\angle BAD=60\xb0$
. Find
$\angle ACD$
.
Answer
1
Harsh Sethi
Subject: Maths
, asked on 28/12/17
Plzz ans fast!!!
Q). In fig., if AB is diameter of circle, then what is value of x?
Answer
1
Harsh Sethi
Subject: Maths
, asked on 28/12/17
Plzz ans fast!!!
Q). If fig, if
$\angle OAB=40\xb0$
, then find
$\angle ACB$
.
Answer
1
Prerna Goenka
Subject: Maths
, asked on 27/12/17
Why we use "pie" in the formulas?
Answer
3
Devesh Kumar Biswal
Subject: Maths
, asked on 27/12/17
Q. A, B, C are three points on a circle Such that the angles Subtended by the Chords AC the centre O are 90
$\xb0$
and 100
$\xb0$
. Then find the value of
$\angle $
BAC?
Answer
2
Parul Kohli
Subject: Maths
, asked on 27/12/17
Pls answer this question with proper steps.
Q3. Let CD be a chord of the circle with CD = 5 cm. The diameter AB of the circle is 10 cm. AC and BD when extended meet at E. Then the angle AEB equals
(A) 60°
(B) 30°
(C) 45°
(D) 75°
Answer
2
Devesh Kumar Biswal
Subject: Maths
, asked on 26/12/17
Q.20. In the figure,
$AP=3cm,BA=5cmandCP=8cm$
, find CD.
(A) 12 cm
(B) 10 cm
(C) 6 cm
(D) 6 cm
Answer
1
Devesh Kumar Biswal
Subject: Maths
, asked on 26/12/17
Q.16. In the figure, AP = 2 cm, BP = 6 cm and CP = 3 cm, find DP
(A) 6 cm
(B) 4 cm
(C) 2 cm
(D) 3 cm
Answer
3
Devesh Kumar Biswal
Subject: Maths
, asked on 24/12/17
Please slove question 13
Q13. In a circle of radius 5 cm, AB and AC are two chords such that AB = AC = 6 cm. The length of the chord BC is
(A) 9.6 cm. (B) 9.8 cm.
(C) 10 cm. (D) 11 cm.
Answer
3
Aadi Jain
Subject: Maths
, asked on 24/12/17
Question no.5:
5. In the adjoining figure, the diameter CD of a circle with centre O is perpendicular to the chord AB. If AB=8 cm and CM=2 cm, find the radius of the circle.
Answer
1
Abinash
Subject: Maths
, asked on 24/12/17
Q). AB is a diameter of the circle. F is a point on a chord AP other than the diameter. Prove that
$\angle $
AFB is obtuse.
Answer
2
Pratham Agarwal
Subject: Maths
, asked on 24/12/17
Solve this:
Q). O is the centre of the circle, BD = OD and CD
$\perp $
AB. Find
$\angle $
ACB.
Answer
2
Pratham Agarwal
Subject: Maths
, asked on 24/12/17
Solve this:
Q).
$\angle $
ADC = 130
$\xb0$
, chord BC = chord BE, find
$\angle $
CBE.
Answer
2
Pari Patel
Subject: Maths
, asked on 23/12/17
In the given figure, O is the centre of the circle of radius 5 cm. AB and AC are two chords, such that AB = AC = 6 cm. If OA meets BC at M, then OM = ?
Answer
2
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What are you looking for?

28. In figure, M is the mid-point of arc APB. Show that ∠BOA = 4 × ∠BAM.

Q). In given fig., AB is diameter of circle $CD\parallel AB$ and $\angle BAD=60\xb0$. Find $\angle ACD$.

Q). In fig., if AB is diameter of circle, then what is value of x?

Q). If fig, if $\angle OAB=40\xb0$, then find $\angle ACB$.

Q3. Let CD be a chord of the circle with CD = 5 cm. The diameter AB of the circle is 10 cm. AC and BD when extended meet at E. Then the angle AEB equals

(A) 60°

(B) 30°

(C) 45°

(D) 75°

(A) 12 cm

(B) 10 cm

(C) 6 cm

(D) 6 cm

(A) 6 cm

(B) 4 cm

(C) 2 cm

(D) 3 cm

Q13. In a circle of radius 5 cm, AB and AC are two chords such that AB = AC = 6 cm. The length of the chord BC is

(A) 9.6 cm. (B) 9.8 cm.

(C) 10 cm. (D) 11 cm.

5. In the adjoining figure, the diameter CD of a circle with centre O is perpendicular to the chord AB. If AB=8 cm and CM=2 cm, find the radius of the circle.

Q). $\angle $ADC = 130$\xb0$, chord BC = chord BE, find $\angle $CBE.