Question

3 angles added to a 180ﾟ one angle has mingle has the measure of 7X plus 8 angle 2 has a measure of 2X plus 9 and angle 3 has a meter of 10X plus 5 given that some of the angles is a 180ﾟ what is the measure of angle 1

Answer 1

66 or 65.82

Explanation:

check on the phrasing of the question but i assume would be this 7x+8+2x+9+10x+5=180

19x=157

x=8.26

8.26x7 +8=65.82