Respuesta :

Answer: 47 (choice B)

x+43 = 90

x = 90 - 43

x = 47

This works because triangle PQR is a right triangle (with angle Q as the 90 degree angle). We say that that P and R are complementary angles. I added point R to be located where the angle x is written.

Answer:

47

Step-by-step explanation: