If the radius of a circle equals $15$15 m, find its circumference.

Give your answer as an exact value.

If the diameter of a circle is equal to $48$48 cm, find its circumference.

If the radius of a circle equals $45$45 cm, find its circumference.

Find the circumference of the circle shown.

Apply trigonometric relationships, including the sine and cosine rules, in two and three dimensions

Apply trigonometric relationships in solving problems