Wow I don't get it either but my guess would be 9,6...sorry....
Answer:
A= 115 degrees
C= 50 degrees
Step-by-step explanation:
All angles are equal to 180 so the equation is:
180=4x-13+x+18+15
180=5x+20
160=5x
x=32
Answer:
smaller pieces must be larger than 3 feet
Step-by-step explanation:
x is the longer piece
x>32
x-20>12
12/4=3
smaller pieces resembled as y
y>3
There are 2 methods you are taught in Middle School.
Elimination and Substitution.