Question

give full solution of this question ​

Answer 1

Answer:

Surface area of the sphere = 4£r²

given: Diameter = 3.5 Then radius = d/2

3.5/2= 1.75

sub in the formula

= 4 × 22/7 × 1.75

4×22× 0.25

= 88 × 0.25

=22 cm²

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