9a)
4x - 2 + 30 = 68
4x + 28 = 68
4x = 40
x = 10
9b)
y = 180 -68
y= 112
The cos of 16 degrees is 0.96
<span>0.00006628369 is your answer for 0.45/6789</span>
So you have to graph that on to the chart i think
Answer:
sum of a triangle adds up to 180 degrees
a+b+c=180
35+52+93=180
