What is the radius of circle with the equation (x - 2)^2 + (y - 1)^2 = 9 * 18 9 81 3
1 answer:
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Answer:
180
Step-by-step explanation:
1. Write a proportion.
=
2. Cross multiply.
6x60=360
360/2=180
x=180
OR
1. Write a proportion.
=
If you look at the bottom, since 2 times 30 is 60, 6 times 30 is 180, making the fractions equal.