Respuesta :

Noname223445
First turn this into an equation
7x+8x+44.4=180
Now collect like terms
15x+44.4=180
Next take away 44.4 from 180
15x=135.6
Finally divide 135.6 by 15
x=9.04

To calculate the shaded angle substitute 9.04 for x
8x=8×9.04
8x=72.32

The shaded angle is 72.32°