Question

Calculate The Area Of the Circular Pathway Formed By Two Concentric Circles Having The Following Radii
a) R=20cm, r=6 cm

Answer 1

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Answer 2

Answer:

Step-by-step explanation:

Hope it will help u..

Area of circular pathway = area of bigger circle - area of smaller circle

πR2 - πr2

π (R2-r2)

22/7(20*20-6*6)

22/7(400-36)

22/7*364

22*52

1144 cm2