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Pre-Algebra

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For numbers 1–3, find the indicated measurement of the figure described. Use 3.14 for (pi) and round to the nearest whole number.



1) Find the surface area of a sphere with a radius of 8 cm.

a. 268 cm2
b. 804 cm2
c. 2,144 cm2
d. 201 cm2



2) Find the surface area of a sphere with a radius of 12 m.

a. 1,809 m2
b. 452 m2
c. 7,235 m2
d. 603 m2



3) Find the volume of a sphere with a radius of 4 ft.


a. 33 ft3
b. 67 ft3
c. 268 ft3
d. 804 ft3


My Answer: PLEASE BE HONEST !!!!!! :( :D

1) d
2) a
3) c

  • Pre-Algebra -

    Why nobody wants to help me just check my answer and there if some of the answers are wrong then tell me the right ones !!! !!!!!!!!!!!! :-( :

  • Pre-Algebra -

    1 is wrong.

    The other two are correct.

  • Pre-Algebra -

    You will learn much more when you find your own answers.

  • Pre-Algebra -

    OK, Thank You So Much For Understanding! :-)

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