Respuesta :

Jenner1256
You have a triangle and 1/2 of a circle
(1/2)bh + (1/2)3.14r^2. Radius is (1/2)(3.6) because the drawing shows the diameter
of a half-circle so radius is half of that or 1.8
(1/2)(3.6)(4.8) + (1/2)(3.14)(1.8^2)
8.64 + 5.0868
13.7268 rounds to 13.7