Question

Help please, area of a triangle

Answer 1

84 ft^2.

Explanation:

Use Pythagoras to find the value of h:

25^2 = h^2 + 7^2

h^2 = (25-7)(25+7)

h^2 = 576

h = √576 = 24

Area = 1/2 * 7 * 24

= 84.