Find the radius of a circle with an area of 16x^2+24x+9

Question

asked Dec 1, 2019 163k views

1 Answer

Mateus Zitelli · Answer 1 · 2019-12-06T22:35:21+0000

Area of circle =π *r^2
so π*r^2 = π(16x^2 + 24x + 9)
r^2 = 16x^2 + 24x + 9
= (4x +3)(4x+3)
= (4x +3)^2
Take square roots of both sides
r = 4x +3