Answer: 10/35 =55
Step-by-step explanation:
Answer:
C.
Step-by-step explanation:
Answer:
a = 30°
Step-by-step explanation:
We need to find the value of a.
We know that, a straight line makes an angle of 180°.
In this case,
a+3a+2a = 180
6a = 180
a = 30°
So, the value of a is equal to 30°.
Answer:
(6+a)/3
Step-by-step explanation:
(6+a)/5-3
5-3=2
(6+a)/2
C. 75
70+35+x=180
70+35=105
180-105=75