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henrychavez2015 henrychavez2015
  • 26-01-2015
  • Mathematics
Answered

If the equation of a circle is (x + 5)2 + (y - 7)2 = 36, its radius is

a 6

b 16

c 36

Verified Answer :

naǫ
naǫ naǫ
  • 26-01-2015

The standard form of the equation of a circle:
\((x-h)^2+(y-k)^2=r^2\)
r - radius

\((x+5)^2+(y-7)^2=36 \\ \Downarrow \\ r^2=36 \ and \ r>0 \\ r=6\)

The answer is A. 6.

Answer Link
Jacobswan
Jacobswan Jacobswan
  • 01-04-2020

Answer:

the answer is 6

Step-by-step explanation:

Answer Link

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