Subject: Math, 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.

Subject: Math, 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.

Subject: Math, asked on 14/2/18

## Solve this :

Subject: Math, 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.

Subject: Math, 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

Subject: Math, asked on 7/2/18

## Can you tell me some interesting facts on circles.

Subject: Math, 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.

Subject: Math, 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° –                           (B) 90° , 60° , 30°      (C) $\frac{\mathrm{A}}{2},\frac{\mathrm{B}}{2},\frac{\mathrm{C}}{2}$                                                        (D) $\frac{\mathrm{B}}{2},\frac{\mathrm{A}}{2},\frac{\mathrm{A}}{2}-\frac{\mathrm{B}}{2}$

Subject: Math, asked on 3/2/18

## Prove that there is only one Circle passing through 3 non colinear points

Subject: Math, 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.

Subject: Math, asked on 3/2/18

## Q. In figure AB = AC. BP is angle bisector of B Prove CQ = CA

Subject: Math, asked on 30/1/18

## ac is the diameter if angle ebc=50 degrees find angle ced

Subject: Math, asked on 29/1/18

## Q.7. In Fig. 16.136, O is the centre of the circle, prove that $\angle x=\angle y+\angle z$.

Subject: Math, asked on 29/1/18

## Plz solve this question Given: AB=AC $\angle E=100°$ To find: x and y.

Subject: Math, asked on 29/1/18

## Plz solve this

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