HOTS Mathematics Primary 6 Circles

A quarter circle has a radius of 14 cm. Find its perimeter. (Take π = 22/7)

A 50 cm
B 22 cm
C 36 cm
D 72 cm
Show Worked Solution

Worked Solution

Step 1: Find the arc length (one quarter of the full circumference). Arc = 1/4 × 2πr = 1/4 × 2 × 22/7 × 14 = 1/4 × 88 = 22 cm Step 2: Find the perimeter. Perimeter = arc + radius + radius = 22 + 14 + 14 = 50 cm

Correct answer: 50 cm

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