10. In adjoining figure, what value of x will make AOB a striaght line?
plzzz help me........
Attachments:
Answers
Answered by
2
Answer:
60 degrees , 120 degress
Step-by-step explanation:
Sum of angles on straight line is 180 degrees.
(2x-10) + (3x+15) = 180
2x -10 + 3x +15 =180
5x +5 =180
5x = 180-5
5x =175
x= 175/5
x= 35
= 2x-10
2×35-10
70-10
60 degrees
=3x+15
3×35+15
105+15
120 degrees
Hope it'll help you...
Similar questions