Math problem

answer 6a through 6f

A) y=237.75, z=79.25
b)x=60, z=60, y=240
c)x=36, y=108, z=216
d) x=90, y=120, z=150
e)x=120, y=200
f)x=80, y=180, z=100

Cwill be your correct answer

The answer is -pie over 2