Math

Can anyone help me with this?

A homeowner wants to build a circular patio. If the diameter of the patio is 20 feet, what is its area to the nearest whole number?
A)1,257
B)314
C)63
D)31

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  1. A = pi * r^2

    A = 3.14 * 10^2

    A = ?

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    Ms. Sue
  2. I got 314?? Is this the answer??

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  3. Yes, you're right.

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    Ms. Sue
  4. I got it right. I dunno what grade I got. Anyway, GO RED WINGS!

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  5. Areas of Circles and Sectors Practice:
    1- 49pi square feet
    2- 112 units
    3- (4 minus pi) square ft
    4- 314 square ft
    5- 22.6 square mm
    6- 12 inches
    7- 12pi square ft
    8- 28.125pi square centimeters
    9- 22.1 square centimeters
    10- (243pi + 162) square ft

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  6. @jovana is wrong for number 2
    its 168 units

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  7. Areas of Circles and Sectors Practice:
    1- 49pi square feet
    2- 168 units
    3- (4 minus pi) square ft
    4- 314 square ft
    5- 22.6 square mm
    6- 12 inches
    7- 12pi square ft
    8- 28.125pi square centimeters
    9- 22.1 square centimeters
    10- (243pi + 162) square ft

    Areas of Circles and Sectors Quiz
    1- 61.9 m2
    2- 65.0 in2
    3- 1.04 mi2
    4- adb;310°
    5- 28.8°
    6- 8.4π cm
    7- 9π m
    8- 52.5 m2
    9- 99.0 in2
    10- (194π - 144√3)m2
    11- 10.47 meters

    Got 100% on both, hope this helps somone

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  8. THANKS SMMMM

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  9. TY TY TY TY

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