1MA0 Foundation November 2013 Paper 1 Q22

EdexcelFoundationOld spec4 marks2D Area & Perimeter

22 Here is a rule for working out the area of a triangle.

Multiply the base by the height.
Then divide by 2

A triangle has a base of 12 cm and a height of 6 cm.

(a) Use the rule to work out the area of the triangle. (2)

A different triangle has an area of 55 cm\(^2\).
It has a height of 11 cm.

(b) Work out the base of this triangle. (2)