Find the radius of a circle given:
i. its diameter is 10.5 cm
ii.its circumference is 35.2 CV m
iii. its area is 186.34 cm
iv. its semicircle is 39.6 cm
v. its semicircular region is 481.25 sq cm
vi. the area of its quadrant is 9.625 sq cm.
i. its diameter is 10.5 cm
ii.its circumference is 35.2 CV m
iii. its area is 186.34 cm
iv. its semicircle is 39.6 cm
v. its semicircular region is 481.25 sq cm
vi. the area of its quadrant is 9.625 sq cm.
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Answer:HOPE IT HELPS
=10.5/2
=5.25
||)radius2π=35.2
=35.2×7/(2×22)
=0.56
|||)πradius^2=186.34
radius^2=59.29
radius=7.7
|V)πradius=39.6
radius=39.6×7÷22
=12.6
V)πr^2/2=481.25
r=√[481.25×2×7÷22]
=175
V|)πr^2÷4=9.625
r=√9.625×4×7÷22
=3.95 approximately
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