Question 1013139
Since the angles of a triangle always add to 180, we can write
(4x+7) + (5x-31) + (7x-52) = 180  which gives us
16x - 76 = 180
16x = 256
x = 16
Then our angles, f, g, and h become
71, 49, and 60 degrees respectively.
Least to greatest would then be
g, h, f