Calculate the area of a sector which has an acute angle of 30 degrees and a radius of 5cm.

Sector area = (angle/360) + πr2
Therefore the answer would be: Area = (30/360) + (π x 52) = 78.62 degrees to 2dp

PH

Related Maths GCSE answers

All answers ▸

Show that the function f(x) = x^2 + 2x + 2 is always positive for real values of x


Y=3x^2-2 ( Make x the ubject of the formula


Solve 7x + 6 > 1 + 2x


Nadia has £5 to buy pencils and rulers. Pencils are 8p each. Rulers are 30p each. She says “I will buy 15 pencils. Then I will buy as many rulers as possible. With my change I will buy more pencils.” How many pencils and how many rulers does she buy?