find the radius of a sphere whose surface area is 154cm2 (π=227 π = 22 7 )

Question 1 Report

find the radius of a sphere whose surface area is 154cm2 ( $π = \frac{22}{7}$ )

7.00cm

3.50cm

3.00cm

1.75cm

Answer Details

Surface area = 154cm2 (area of sphere)
4 $π$ r2 = 154
r $\sqrt{\frac{154}{4 π}}$
= 3.50cm

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