The equal sides of an isosceles triangle are 8 centimetres long and the radius of its circumcircle is 5 centirnetes. Calculate the length of its third side.

A regular pentagon is drawn with vertices on a circle of radiús 15 centimetres. Calculate the length of its sides.

The sides of a triangle are 8cm,10cm and 6cm. What is the radius of the circumcircle?

The base of a prism is an equilateral triangle of perimeter 15 centimetres and its height is 5 centimetres. Calculate its volume.

In a right angled triangle, one of the perpendicular sides is 5 centimetres longer than the other and its area is 12 square centimetres. What are the lengths of its sides?

The area of a rectangle is 12 (1)/(2) square centimetres.and the length of one side of its side is. 3 (3)/(4) centimetres. What is the length of the other side?

The sides of a triangle are in the ratio 2: 3: 4 . The longest side is 20 centimetres more than 'the shortest side. Calculate the length of all three sides.

The area of a right angled triangle is 96 square centimetres. One of the perpendicular sides is. 16 centịmetre long. What is the length of the other?

The sides of a rhombus are 5 centimetres Iong and one of its angles is 100^circ Compute its area.

One angle of a triangle is 150^@ and its opposite side 3 centimetre.Find the diameter of its circum circle.

A rectangle is to be made with perimeter 100 centimetres and area 525 square centimetres. What should be the lengths of its sides?