Mathematics Past Questions and Answers

The shaded portion in the diagram is the solution of

In the diagram, GI is a tangent to the circle at H. If EF//GI, calculate the size of < EHF

The diagram is a net right rectangular pyramid. Calculate the total surface area

The diagram shows a rectangular cardboard from which a semi-circle is cut off. Calculate the area of the remaining part

In the diagram, 0 is the centre of the circle. Find the value x