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secondary 2 | Maths
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not sure how to do qn(d)
Date Posted: 4 years ago
Views: 225
A = θ/360 x πr²
So A ÷ (πr²) = θ/360
A/(πr²) x 360 = θ
Therefore θ = 360A/(πr²)
So A ÷ (πr²) = θ/360
A/(πr²) x 360 = θ
Therefore θ = 360A/(πr²)
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done
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clear
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The trick here is to use cross multiplication and cross division.
Date Posted:
4 years ago
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