Question

Area of the plane figure

Answer 1

Area = 16.8 * 7 / 2 = 58.8 ft2

Explanation:

Have

18.2^2 = 7^2 + a^2

-> a^2 = 18.2^2 - 7^2

-> a^2 = 282.24

-> a = 16.8

Area = 16.8 * 7 / 2 = 58.8 ft2