Respuesta :

the value of x is 37!
( all triangles equal 180, so i added 98 and 45, and subtracted the answer to 180)

Solution: all triangles add up to 180 degrees, if you take 98 + 45 that will  equal 143 degrees, you can now take 180 degrees - 143 degrees to get your answer for x

Answer: X = 37 degrees