How do you find the area of a sector of a circle if you know the radius and the angle in the centre?
You find the area of the circle (using radius2* π). You divide your angle by 360 (or by 2π). You multiply the 2 answers and you find the area of the sector.
JP
Related Maths GCSE answers
All answers ▸How to factorise a quadratic
How do you find the tangent of an angle in a right-angled triangle?
Tim stretches by leaning against a pole that is 1.5 metres tall and at a right angle to the floor. Tim is standing 0.5 metres away from the pole, how tall is Tim; leaving your answer in terms of metres? (2.d.p)
How do you solve a quadratic equation?