a circular park of radius 20m has a road 3.5m wide running outside around it. find the area of the road.
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R=20+3.5=23.5
r=20m
area of road =area of whole circle -area of inner circle
=πR^2- πr^2
=22/7×23.5×23.5 - 22/7×20×20
=1735.6-1257.1
=478.45(approx.)
if this help you than please mark it as brainlist answer.
r=20m
area of road =area of whole circle -area of inner circle
=πR^2- πr^2
=22/7×23.5×23.5 - 22/7×20×20
=1735.6-1257.1
=478.45(approx.)
if this help you than please mark it as brainlist answer.
mohdanas2754:
thanks
please mark it as brainliest answer
plz
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bta do hm kr dinge
mere answer ke upper option hoga "brainliest answer" touch on that
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