1. Find the area of a circular ring the external and
the internal radii of which are 45 cm and 21 cm
respectively.
Answers
Answered by
0
Answer:
First find their area by formula of πrsquare and then minus them with each other
Hope it helps
Answered by
0
Answer:
Length of circular =45cm
Breath of circular =21cm
Area of circular =l+b
=45+21
=66cmANS
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