A triangle has angles described as follows: the first angle is four more than seven times a number, another angle is four less t

Question

4 years ago

8

han the first and the third angle is twice as large as the first. what are the sizes of each of the angles?

2 answers:

hichkok12 [17] · Answer 1 · 2022-01-15T17:26:43+03:00

7 0

Answer: 7x+4

I am not sure about the second one

2) 4 - 7x+4

3) 2(7x+4)

Step-by-step explanation:

Daniel [21] · Answer 2 · 2022-01-15T15:39:12+03:00

3 0

1st angle: 7x+4
2nd: 7x+4-4=7x
3rd: 2(7x+4)
180=7x+4+2(7x+4)+7x
28x+12=180
28x=168
x=6