Math, asked by shreyasahu226, 4 months ago

Find the area of the region between two concentric circle with diameter 21cm & 14 cm (π = 22/7)

Answers

Answered by OppaiSugoy

1

Answer:

770sq.cm

Step-by-step explanation:

area of bigger circle = pie x r square = (22x21x21)/7 = 1386sq.cm

area of smaller circle = pie x r square = (22x14x14)/7 = 616sq.cm

area of region between two circles = 1386-616 = 770

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