30 points! Need help ASAP!
1 answer:
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Answer:
A = 8π cm²
Step-by-step explanation:
The area (A) of a circle is calculated as
A = πr² ( r is the radius )
Here diameter = 8 , then r = 8 ÷ 2 = 4
The area of half a circle is then
A = π × 4² =
× π × 16 = 8π cm²
