Yu Hui's answer to Bhavish's Primary 6 Maths Measurement Singapore question.
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Your method is correct, just the values are wrong. I observed that the question did not give u a value of π, so we use calculator value of it, which is alot more that 3.14.
So,
Area of Quarter
= 1/4 x π(calculator value) x (11x11)
= 95.03317777
Area of triangle
= 1/2 x 6.6 x 8.8
= 29.04
Area of shaded part
= 95.03317777 - 29.04
= 65.99317777
= 66.0 (1.d.p)
So,
Area of Quarter
= 1/4 x π(calculator value) x (11x11)
= 95.03317777
Area of triangle
= 1/2 x 6.6 x 8.8
= 29.04
Area of shaded part
= 95.03317777 - 29.04
= 65.99317777
= 66.0 (1.d.p)
Date Posted:
3 years ago
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