AC Lim's answer to Rui Er's Primary 6 Maths Geometry Singapore question.
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Radius = 20
Quarter circle area = ¼ × 3.14 × 20²
= 314 cm²
Area of triangle = ½ × 20 × 10 = 100cm²
Shaded area= 314 - 100 - 100 = 114cm²
Quarter circle area = ¼ × 3.14 × 20²
= 314 cm²
Area of triangle = ½ × 20 × 10 = 100cm²
Shaded area= 314 - 100 - 100 = 114cm²
Date Posted:
1 year ago
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