Ahmad cuts a circular pizza exactly in half. Each half is a semicircle with a radius of 7 cm. Find the area of one semicircle. (Take π = 22/7.)
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Worked Solution
Step 1: Find the area of the full circle first.
Full area = π × r × r = 22/7 × 7 × 7 = 154 cm².
Step 2: A semicircle is half of a circle. Divide the full area by 2.
Semicircle area = 154 ÷ 2 = 77 cm².
Final answer: 77 cm².
Answer: 77 cm²
Correct answer: 77 cm²
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