Answer:
a quadrilateral is a polygon with 4 sides and for corners
Step-by-step explanation:
Answer:
just ask it again
Step-by-step explanation:
Answer:
first one is simnple cross multiply and divide
12*7=4x
84=4x
x=21
2nd same process but more steps
7x=5(x+8)
7x=5x+40
7x-5x=40
2x=40
x=20
Step-by-step explanation:
Answer:B:yes
Step-by-step explanation: