Today it's all about area. In our series of Maths GCSE revision posts, we're starting with the formula you'll need and when to use them.
Area of a rectangle; multiply the length by the width (A= L x W)
Area of a triangle; multiply the base by the perpendicular height and divide by two (A= ½ bh)
Area of a parallelogram; multiply the base by the height (A= B x H)
Area of a trapezium; add together the parallel sides and multiply by the height. Divide your answer by two. (A = ½ ( a+b) h)
Area of a circle; square the radius and multiply by pi (A= π r²)
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