Answer:
58.8
You have too add
9 + 33 + 16.5=58.8
8 billon
Step-by-step explanation:
Area of semicircle =( π r2)÷ 2
= 1/2 × 22/7 × 11 ×11
= 11 × 17.5
= 19.25 CM2
Answer: AE=2
a^2+b^2=c^2
