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Can someone please answer. There is one problem. There is a picture. Thank you!
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5 votes
Can someone please answer. There is one problem. There is a picture. Thank you!

Can someone please answer. There is one problem. There is a picture. Thank you!-example-1
User Sagar Shirbhate
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6.6k points

2 Answers

5 votes
Surface area for sphere = 4πr².

Diameter = 74 mm , radius, r = 74/2 = 37 mm

Area = 4πr². = 4π*37² = 17 203.36 mm² Using your calculator.

Third option from the top.
User Khalid Omar
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8.1k points
2 votes
Surface = 4*/pi*R^2
surface = 4*/pi*37^2
surface = 17203,36mm^2
User Grzegorz
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7.6k points
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