Math, asked by sabeerabanu26, 1 year ago

The surface area of a sphere is 616 cm 2 . Find its diameter

Answers

Answered by prabhjotjoshi123
3

Answer:


Step-by-step explanation:

Surface area= 4 pie r^2

616 = 4×22/7 × r^2

616 ×7 / 4 × 22 = r^2

2191/44 =r^2

49.8 =r^2

7.06 =r

Answered by omprasadmishra53
3
we know that
Area of a sphere=πr square = 616 cm square
= 22/7 × r square= 616 cm sq
= r square= 616 × 7/22
= r square = 196
= r = ✓196
= r = 14
So, Diameter of a sphere = 14 × 2
= 28
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