part a : find the value of y.
Ay=1.8
By=7.2
Cy=9
Dy=16.2
part b : find m
A10.8 degrees.
B97.2 degrees.
C43.2 degrees.
D54 degrees.
Ay=1.8
By=7.2
Cy=9
Dy=16.2
A10.8 degrees.
B97.2 degrees.
C43.2 degrees.
D54 degrees.