Respuesta :

Toondrawolf3

Answer:

x equals 10

Step-by-step explanation:

All triangles have 180 degrees

The bottom left angle is a right angle and is therefore 90°

That leaves us with x+8x=90°

9x=90°

x=10°

Wallind11

Step-by-step explanation:

x°+8x°+90°=180° ( sum of all the angles of

9x°=180°-90°. triangle)

9x°=90°

x°=10°

x°=10°

8x°=80°