Let's solve ~
2 x 2+9x + 8=0
2 x 2=4
4 + 9x +8=0
-4 -4
9x+8=-4
-8 -8
9x=-12
9÷9 -12÷9
x=-1.333333333
length x with
8 cm X 33 cm
Answer:
No.
Step-by-step explanation:
A regular polygon has all sides and angles congruent. This is not possible with a concave polygon. If the sides are congruent in a concave polygon the angles are not congruent.