The circumference of a circle exceeds its diameter by 270 cm.its radius is
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Answer:
Step-by-step explanation:
let the radius is r
the diameter is d = 2r
the circumference is c
ATQ,
d+270 = c
2r+270=2πr
2r-2πr=(-270)
2r(1-π)=(-270)
r(1-22/7)=(-135)
r×(-15/7)=(-135)
r=-135×-7/15
r=63cm
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