Number 1 a and d are true
number to its b c and d
number 3 idk, sorry
Answer:
Interior Angle Theorem
x=5
measure of angles: 46, 46, 134
Step-by-step explanation:
Interior angle theorem
12x-14=5x+21
7x=35
x=5
12x-14=12(5)-14=46
5x+21=5(5)+21=46
20x+34=20(5)+34=134
A. Is 2x
B. Is 2x+3
This shows the line and contracts it
A=36 1/2*8*9 this is how you would figure out A
