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)
a. 93 cm²
b. 172 cm²
c. 186 cm²
d. 688 cm²
1 answer:
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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