Question

Find the area.
34 cm
16 cm
42 cm
A = [?] cm²
20 cm

Answer 1

A = 336 cm²

Explanation:

The area (A) of a triangle is calculated as

A =
`(1)/(2)` × base × perpendicular height

here, base = 42 cm , perpendicular height = 16 cm , then

A =
`(1)/(2)` × 42 × 16 = 21 × 16 = 336 cm²