Respuesta :

kwokyy

Answer:

116

Step-by-step explanation:

8.2 / 2 = 4.1

a = [tex]\sqrt{7^{2}-4.1^{2} } = 5.6736[/tex]

0.5 x 8.2 x 5.6736 = 23.2618

23.2618 x 5 = 116.309 = 116