Perimeter and Area of Triangles and Quadrilaterals (Leaving Cert Mathematics): Quizzes

Total distance around outside edge

$l \times b$

$20$ cm

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

Perpendicular to the base

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

The hypotenuse

$10$ cm

$6$ units

$176$ cm²