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Area and Volume

SAT Math· difficulty 3/5

A sphere has radius 55. What is its surface area?

  • A

    100π100\pi

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  • B

    25π25\pi

  • C

    50π50\pi

  • D

    5003π\frac{500}{3}\pi

Explanation

SA=4πr2=4π(25)=100πSA=4\pi r^2=4\pi(25)=100\pi.

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