35 is the answer
Explanation, the sum of interrior angme is 180degree
x+(3x+40)= 180
or, 4x= 180-40
or, x= 140÷ 4
or x = 35
Answer:
Exact form: v=80/13
Nearest tenth: 6.2
Step-by-step explanation:
Hope it helps!
The answer for your problem (1) is 7.41
1.)100+80+7+0.5+0.04 or you could do it like 2.)1x100+8x10+7x1+5x0.1+4x0.01