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3 December, 11:23

Find the diameter of a circle whose equation is x2 + (y-2) 2=100x2 + (y-2) 2=100.

400

20

10

100

+3
Answers (1)
  1. 3 December, 11:26
    0
    In this question r^2 = 100

    Take the square root of 100

    sqrt (r^2) = sqrt (100)

    r = 10

    But you want the diameter.

    d = 2 * r

    d = 20

    B answer.
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