Answer:
15.7
Step-by-step explanation:
Subtract the one value from 180 and then divide that number by 2 to get the 2 values. So if one side is 90, they other sides would be 45 each
Answer:
2(5+t)
Step-by-step explanation:
Answer:
the angles are 80 degrees and 40 degrees
Step-by-step explanation:
The sum of two opposite interior angles equal to the exterior opposite angle.
so;
4x + 2x = 120
x = 120 / 6
x = 20
4x = 80
2x = 40