Related InterviewSolutions

• Some are equal isosceles triangles are drawn below, In each, one angle is given. Find the other angles.
• One angle of an isosceles triangle is 90°. What are the other two angles?
• In the figure ∠ABC = ∠ADC and AB = AD.Prove that A BCD is an isosceles triangle?
• O is the centre of the circle in the diagram. If AB = BC,(a) Then prove that ∠AOB = ∠BOC(b) If OA = AB = BC, then find the values of ∠AOB and ∠BOC?(c) Find out how many equilateral triangles can be drawn in a circle with length of its side is radius.
• OM is perpendicular to AB in the diagram. Prove that M is the mid point of AB.
• In the figure below, the lines AB and CD are parallel and M is the mid point of AB.(i) Compute the angle of ∆AMD, ∆MBC and ∆DCM?(ii) What is special about the quadrilateral AMCD and MBCD?
• O is the centre of the circle in the diagram. Radius is 3 cm and ∠AOB = 60°. Find the perimeter of ∆ AOB?
• In the figure below, O is the centre of the circle and A, B are points on the circle. Compute ∠A and ∠B?
• Is ABCD in the figure, a parallelogram? Why?
• Prove that if both pairs of opposite sides of a quadrilateral are equal, then it is a parallelogram.