The sum of supplementary angles is 180 degrees. Therefore, we have the equation:
10x + 70 = 180
Subtract 70 from both sides:
10x = 110
Divide by 10:
x = 11
Therefore, the value of x is 11.
So, the answer is:
11°
The angles shown below are supplementary:
A pair of supplementary angles is shown. One angle measures 10x and the other angle measures 70 degrees.
What is the value of x? 10°
11°
20°
21°
1 answer