Answer:
x=56
Step-by-step explanation:
Since the angles are all the same,
D=78
F=46
All you have to do is subtract these numbers from 180, which gives you 56
56
5/12
should be 30
(-)+ makes - so 37-7
The width is 23cm
9*2 = 18
64-18 = 46
46/2 = 23
0.08
Just use a calculator
