Mathematics Past Questions and Answers

A sector of a circle of radius 9cm subtends angle 120° at the centre of the circle.

Find the area of the sector to the nearest cm\(^2\) [Take π = 22/7]

Calculate the total surface area of a cone of height 12cm and base radius 5cm. [Take π = 22/7]

A cone is 14cm deep and the base radius is 41/2cm. Calculate the volume of water that is exactly half the volume of the cone.[Take π = 22/7]

The area and a diagonal of a rhombus are 60 cm\(^2\) and 12 cm respectively. Calculate the length of the other diagonal.

The angle of a sector of a circle radius 10.5cm is 120°. Find the perimeter of the sector [Take Ï€ = 22/7]