Answer:
area of a circle
= pi r square root
=3,14 x 5 x 5
=3,14 x 25
=78.5cm
2n question
=3,14 x 7 x 7
=3,14 x 49
=153,86ft2
3rd question
C= pi d
C=3,14 x 10
C=31,4cm
4th question
C=pi d
C= 3,14 x 14
C=21,98ft
Explanation:
Hope this helps!
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