Calculate the area and perimeter of a semicircle with diameter 14 cm
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Answer:
Perimeter: 36 cm
Area: 77 cm²
Step-by-step explanation:
Perimeter:
= 1/2 × 2πr + 2r
=22/7 × 7 + 2 × 7
= 22 + 14
= 36 cm
Area:
= 22 ÷ 7 × (7)² ÷ 2
= 22 ÷ 7 × 49 ÷ 2
After cancelling we get = 11×7/1
= 77cm^2
hope it helpss ^_^
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