Circles, Arcs & Sectors (Edexcel IGCSE Maths A: Foundation): Exam Questions

A circle has radius 8.5cm.

Work out the circumference of the circle. Give your answer correct to 3 significant figures.

and are points on a circle, centre
is the tangent to the circle at and is the tangent to the circle at

Angle = 48°

Work out the size of reflex angle

is a point on a circle with centre

Write down the mathematical name of the line

A wheel on a tractor has a diameter of 160 cm.

The tractor travels 1750 metres

Work out the number of complete turns made by the wheel.
Show your working clearly

The diagram shows a shaded shape made from three identical semicircle, , and

is a straight line.

is the diameter of semicircle and is the centre of semicircle
is the diameter of semicircle and is the centre of semicircle
is the diameter of semicircle and is the centre of semicircle

Work out the perimeter of the shaded shape.
Give your answer correct to the nearest whole number.