Mathematics Past Questions and Answers

Which of the following is not the the size of an exterior angle of a regular polygon?

In the diagram, PQR is a triangle.|PQ| = |PR|, |PS| = |SQ| and PRS = 50°. What is the size of ∠PSQ?

PQRS is a rhombus of side 16cm. The diagonal |QS| = 20cm. Calculate, correct to the nearest degree, ∠PQR

In the diagram, PQ is a diameter of the circle and ∠PRS = 58°. Find ∠STQ.

A chord of length 30cm is 8cm away from the center of the circle. What is the radius of the circle. What is the perimeter of the sector? Take \(\pi =\frac{22}{7}\)