Answer:
Step-by-step explanation:
False. Diagonals of a convex polygon is a line segment that joints two non adjacent vertices.
The answer is -15x-10
x=75
A( I mean angle)+B+C+D=360°
A=C
B=D
2A+2D=360°
A+D=180°
30°+x+x=180°
2x=150°
She used 6 3/5 cans of beans.