Step-by-step explanation:
ATQ
πR2=2πR
HENCE R = 2 UNIT
πr^2=2πr
r=2
( π/π=1,r^2/r=r)
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Step-by-step explanation:
ATQ
πR2=2πR
HENCE R = 2 UNIT
πr^2=2πr
r=2
( π/π=1,r^2/r=r)