Answer:
70 degrees
Step-by-step explanation:
Supplementary means the angles add up to 180 degrees. We can set up an equation using this:
9x+20+6x+10=180
Combine like terms.
15x+30=180
Isolate variable.
15x=150
x=10
Substitute in the variable for the expression of angle B
6(10)+10=70
Hope this helps!
Each side of the square is 16 ft
Answer is B.
hope it helps
Answer:
x = 129
Step-by-step explanation:
86/48 = x/72
6192 = 48x
x = 129
