A circular pizza having a radius of 21 cm. If 75% of it is eaten, what is the…
2025
A circular pizza having a radius of 21 cm. If 75% of it is eaten, what is the area of pizza remaining?
- A.
173.25 cm²
- B.
346.5 cm²
- C.
432.25 cm²
- D.
115.5 cm²
Show answer & explanation
Correct answer: B
1. Total Area = πr² = (22/7) * 21 * 21 = 22 * 3 * 21 = 1386 cm². 2. If 75% is eaten, 25% remains. 3. Remaining Area = 0.25 * 1386 = 346.5 cm².