Question

Determine the radius of a circle given by the equation x^2+y^2=50.

please write all the steps.​

Answer 1

r = 5√2

Explanation:

Circle Formula: (x - h)² + (y - k)² = r²

(h, k) is center, r is radius.

Since we are given 50 as r², we set equal and solve:

r² = 50

r = √50

r = 5√2