Question

Find the altitude of a triangle whose area is 100 cm² and whose base is 20 cm.

Altitude = Cm.

Answer 1

altitude = 10 cm

Explanation:

Finding the altitude of triangle when area and base is given:

`\sf \boxed{\text{\bf Area of triangle = $(1)/(2)*base*altitude$}}`

base = 20 cm

Area of a triangle = 100 sq.cm

`\sf (1)/(2)*20*altitude = 100\\\\\\`

10 * altitude = 100

altitude = 100 ÷ 10

altitude = 10 cm