Known :
d = h triangle = 8 m
b triangle = 12 m
r = ½ d = ½ × 8 = 4 m
Asked :
Area = ...?
Answer :
A = A ½ circle + A triangle
= ½πr² + ½bh
= (½ × 3,14 × 4²) + (½ × 12 × 8)
= 25,12 + 48
= 73,12 m²
So, the area is 73,12 m³
Hope this is helpful and useful :)
