Find the next two positive and two negative angles that are coterminal with the given quadrantal angle.

i got 86 for this

hope this !

if you need an explanation just ask

225x²+4=0

225x²=0-4

225x²=-4

x²=-4/225

x=±√-4/225

d. it is a convex pentagon because it has five sides and none of the sides would extend into the inside of the polygon.

step-by-step explanation:

47 - 90 = 43

43 - 180 = x

x = 137