We usually use the distributive property because the two terms inside the parentheses can't be added because they're not like terms.
Make sure you apply the outside number to all of the terms inside the parentheses/brackets.
It could be 10 which would make the triangle a right triangle, since the values follow the Pythagorean theorem (a^2+b^2=c^2)
Answer:
(x-1)^2+(y-6)^2=9
Step-by-step explanation:
You use the center to get the left part of the equation and the radius to get the right.
The standard equation of a circle is
(x-h)^2+(y-k)^2=r^2
where r is the radius, and (h,k) are the coordinates of the center
