Answer:
Semicircle Area and Perimeter
Area (A)
25.1327
in²
A = πr²/2 = 8 * π [in²] ≈ 25.1327 [in²]
Perimeter (L)
20.5664
in
L = πr + d = 4 * π + 8 [inch] ≈ 20.5664 [inch]
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