Question

Please Help! It is my homwork

Answer 1

x = 67.5

Explanation:

The other guy is right. 100%.

Answer 2

x = 67.5

Explanation:

x+3x+90 = 360

360 degrees in total, and right angle is 90 degrees

4x+90=360

4x=270

x=67.5 degrees

Check

3(67.5) + 67.5 + 90 = 360

202.5 + 67.5 + 90 = 360

270 + 90 = 360

360 = 360