142k views
1 vote
If the equation of a circle is (x + 5)2 + (y - 7)2 = 36, its radius is
6
0
0

1 Answer

6 votes

Answer:

6

Explanation:

Radius of the given circle is 6 units.

Given equation of circle is:


{(x + 5)}^(2) + {(y - 7)}^(2) = 36 \\ \: equating \: it \: with \\ {(x - h)}^(2) + {(y - k)}^(2) = {r}^(2) \\ {r}^(2) = 36 \\ \huge \red{ \boxed{r = 6 \: units}}

User The Walrus
by
7.1k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.