Please help thanks a lot! :-)

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secondary 4 | E Maths
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secondary 4 E Maths Singapore

Please help thanks a lot! :-)

Date Posted: 3 years ago

David Tan

3 years ago

a) 180deg = pi radians,
thus 90deg = ?
b) radius = 2m and area of circle = pi * r*r
thus 90/360 = 1/4 of a circle area = ?

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Date Posted: 3 years ago