derpyllama1515 derpyllama1515

01-04-2020
Mathematics

contestada

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

A)100

B)400

C) 10

D) 20

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

01-04-2020

Answer:

D) 20

Step-by-step explanation:

x^2 + (y - 2)^2=100

This can be rewritten as

(x-0)^2 + (y - 2)^2=10^2

This is in the form

(x-h)^2 + (y - k)^2=r^2

The radius is 10

The diameter is 2 times the radius

d = 2*r = 2*10 = 20

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