can anyone answer this properly plz........Q5
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here's ur answer....
area of circle(radius=4cm)=πr²
=3.14×4×4
=3.14×16
=50.24cm²
area of circle (radius=3cm)=πr²
=3.14×3×3
=3.14×9
=28.26
if we cut out a circle of radius 3cm then the area left=50.24-28.26
=21.98cm²
hence, final answer is 21.98cm² of paper is left.
hope this helps...
area of circle(radius=4cm)=πr²
=3.14×4×4
=3.14×16
=50.24cm²
area of circle (radius=3cm)=πr²
=3.14×3×3
=3.14×9
=28.26
if we cut out a circle of radius 3cm then the area left=50.24-28.26
=21.98cm²
hence, final answer is 21.98cm² of paper is left.
hope this helps...
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