Mathematics Past Questions and Answers

Three straight lines EF, GH and LK interest at O as shown above. If ∠ KOF = 52^o and ∠ LOH = 85^o, calculate the size of ∠ EOG.

The sum of the interior angle of a regular polygon is 1800^o. Calculate the size of one exterior angle of the polygon

In the diagram above, O is the center of the circle,
∠ UOT = 70^o and ∠ RST = 100^o. Calculate ∠ RUO.

A sector of a circle has an area of 55 cm². If the radius of the circle is 10 cm, calculate the angle of the sector
[π = 22/7]

Find the curved surface area of a cone with circular base diameter 10 cm and height 12 cm