Question

For the figure shown to the right, find the value of the variable and the measure of the angels

(it's a 4 part thing. so 4 answers should be shown) ​

Answer 1

`total \: angleof \: a \: triangle = 180 \\ then \\ x + 3x - 1 + x - 19 = 180 \\ 5x - 20 = 180 \\ 5x = 180 + 20 \\ 5x = 200 \\ x = (200)/(5) \\ x = 40 \\ thank \: you`

Answer 2

hope this answer helps you dear....take care!