I worked it out and got this x=6
Answer:
Step-by-step explanation:
6x + 2x + 7x = 180 Every triangle has a measure of 180o
15x = 180 Divide by 15
x = 180/15
x = 12
The longest side will be 7x
7*12 = 84
Answer:
30
Step-by-step explanation:
He first step to solving this question is distributing the three and the four once you have your new equation of 6x+3-8x-20 you can easily add or subtract once you do this you should have -2x-17 which is the answer.
It would be 5/8 Inches from the edge