Question

Find the length of the radius of a circle whose center is at (3,4) and passes through (-3, -4).

Answer 1

Answer:

$5\sqrt{2}$

Step-by-step explanation:

well we use the distance formula

$\sqrt{(4^{2}+(-4)^2 )+(3^2+(-3)^2)}\\ =\sqrt{32+18} \\=\sqrt{50}\\ =5\sqrt{2}$

so that's the length of the radius