Mathematics for IGCSE & O level - Mensuration (Section 13 - No. 25)
Which of the following involves a formula using the base and height?
Perimeter of a Square
Area of a Triangle
Area of a Parallelogram
Area of a Trapezium
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Triangles, parallelograms and trapeziums use the base and height to calculate the area, although the trapeziums formula also involves the parallel sides.