If a+10 degree and a+20 degree are supplementary angle,Find them
Answers
Answered by
6
Step-by-step explanation:
(a+10)+(a+20)=180
2a+30=180
2a=150
a=75
a+10=85°
a+20=95°
Answered by
1
Step-by-step explanation:
a+10+a+20= 180 (sum of supplementary angles)
= 2a+30=180
=2a= 150
a=75
a+10=75+10=85
a+20=75+20=95
Similar questions