Area — Triangles and Quadrilaterals (AQA GCSE Maths): Quizzes

$A = \frac{1}{2} \times b \times h$

$A = b \times h$

$A = \frac{1}{2}(a + b) \times h$

Vertical height

Triangle is half of a parallelogram

Slide slanted part to form a rectangle

Average of the two parallel sides

Identify what measurements you know

Break into simple shapes & add areas

When area is known & you need dimensions