English Medium कक्षा ९ - CBSE Question Bank Solutions for Mathematics

In the given figure, two congruent circles with centres O and O' intersect at A and B. If ∠AOB = 50°, then find ∠APB.

In the given figure, if ∠AOB = 80° and ∠ABC = 30°, then find ∠CAO. 

In the given figure, A is the centre of the circle. ABCD is a parallelogram and CDE is a straight line. Find ∠BCD : ∠ABE.

In the given figure, AB is a diameter of the circle such that ∠A = 35° and ∠Q = 25°, find ∠PBR.

In the given figure, P and Q are centres of two circles intersecting at B and C. ACD is a straight line. Then, ∠BQD =

In the given figure, if O is the circumcentre of ∠ABC, then find the value of ∠OBC + ∠BAC.

If the given figure, AOC is a diameter of the circle and arc AXB = \[\frac{1}{2}\] arc BYC. Find ∠BOC.

In a circle, the major arc is 3 times the minor arc. The corresponding central angles and the degree measures of two arcs are

If ABC is an arc of a circle and ∠ABC = 135°, then the ratio of arc \[\stackrel\frown{ABC}\] to the circumference is ______.

The chord of a circle is equal to its radius. The angle subtended by this chord at the minor arc of the circle is

PQRS is a quadrilateral, PR and QS intersect each other at O. In which of the following case, PQRS is a parallelogram?

∠P = 100°, ∠Q = 80°, ∠R = 95°

We get a rhombus by joining the mid-points of the sides of a

The figure formed by joining the mid-points of the adjacent sides of a rhombus is a

The figure formed by joining the mid-points of the adjacent sides of a parallelogram is a

ABCD is a parallelogram in which diagonal AC bisects ∠BAD. If ∠BAC = 35°, then ∠ABC =

P is the mid-point of side BC of a parallelogram ABCD such that ∠BAP = ∠DAP. If AD = 10 cm, then CD =