Question

The triangle shown below has an area of 10 units2.
Find x.
7
4
x
units

Answer 1

x = 5 units

Explanation:

area of a triangle = 1/2 base * height

where area = 10 units²

height = x units

base = 4

plugin values into the formula:

10 = 1/2 * 4 * x

x = 10 (2)

4

x = 5 units