Category: Mathematics | Last updated: 2026-09-18

The area of a sector with radius 7 cm and angle 90° is:

A) 38.5 cm²

B) 77 cm²

C) 154 cm²

D) 19.25 cm²

Explanation

Area = (θ/360)πr² = (90/360) × 22/7 × 49 = 38.5 cm².

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