GCSE Maths Revision
Exterior angle - correct answer 360 / number of sides
Interior angle - correct answer 180 - Exterior angle
Area of triangle - correct answer 1/2 x B x H
Area of parallelogram - correct answer B x H
Area of trapezium - correct answer 1/2 x (total of parallel sides) x H
Area of circle - correct answer π x r2
Circumference of circle - correct answer π x D
Volume of cuboid - correct answer L x W x H
Surface area of solid - correct answer Area of net
Angles in a triangle - correct answer Add up to 180
Angles on a straight line - correct answer Add up to 180
Angles in a quadrilateral - correct answer Add up to 360
Angles round a point - correct answer Add up to 360
