Answer:
A = 648π cm²
Explanation:
the area (A) of a semicircle is half the area of a circle , then
A = πr² ( r is the radius ) , then
A = × π × 36² = × π × 1296 = 648π cm²
8.5m questions
11.2m answers
πr² ( r is the radius ) , then × π × 36² = × π × 1296 = 648π cm²