AC Lim's answer to riz's Primary 6 Maths Geometry Singapore question.
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Area of Small semicircle = 18 π
Area of big semicircle = 32 π
Area of triangle = 96
Shaded area
= 18π+32π-96
= 50π-96 cm^2
Or
= 2(25π-48) cm^2
Hope this helps
Area of big semicircle = 32 π
Area of triangle = 96
Shaded area
= 18π+32π-96
= 50π-96 cm^2
Or
= 2(25π-48) cm^2
Hope this helps
Date Posted:
3 years ago
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