Respuesta :

complementary angles are angles that add up to 90 degrees

< DFG + < JKL = 90
x + 5 + x - 9 = 90
2x - 4 = 90
2x = 90 + 4
2x = 94
x = 94/2
x = 47

< DFG = x + 5 = 47 + 5 = 52
< JKL = x - 9 = 47 - 9 = 38