Triangle (3 sides) 5 9 6
Rectangle (4 sides) 6 12 8
Pentagon (5 sides) 7 15 10
Hexagon (6 sides) 8 18 12
b) 300 edges and 200 vertices
idk i would have to be there to under stand it
step-by-step explanation:
225x²+4=0
225x²=0-4
225x²=-4
x²=-4/225
x=±√-4/225