Geometrymedium · Past Paper
Find the length of the arc of a circle of radius 7 cm which subtends an angle of 90 degrees at the center.
A5.5 cm
B11 cm
C22 cm
D44 cm
✓ Correct Answer: B — 11 cm
Arc length = (90/360) * 2 * (22/7) * 7 = (1/4) * 44 = 11 cm.
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