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princesspayton9
princesspayton9 princesspayton9
  • 24-04-2016
  • Mathematics
Answered

PLZ HELP!! A baseball has a diameter of 7.4 centimeters. Which of the following is closest to the surface area of the baseball? ( Use 3.14 for pi)

A93 cm²
B172 cm²
C186 cm²
D688 cm²

Verified Answer :

apologiabiology
apologiabiology apologiabiology
  • 24-04-2016

SA=4pir^2

d/2=r
d=7.4
7.4/2=3.7
SA=4pi3.7^2
SA=4pi13.69
SA=54.76pi
pi=3.14 for this question
SA=171.9464

closest one is B
172 cm^2



B IS ANSWER

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