Question

a segment cut from a circle of radius 7cm has an arc length of 4.4cm .calculate it's area

Answer 1

$length \: = theha \div 360 \times 2\\pir$
4.4=theta/360×2×22/7×7
theta=36
area=theta/360× πr^2
=36/360×22/7×7×7=154/10=15.4cm^2
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