Right angle Trapezoid?

[LeoBunnMan]

Can you please help me find the lengths of Side A and B on this Trapezoid.
please show working out as well.
a=90 degrees
b=97.91 degrees
c=82.09 degrees
d=90 degrees
A=?
B=?
C=330mm
D=1150mm

 

[Dr.Peterson]

Can you please help me find the lengths of Side A and B on this Trapezoid.
please show working out as well.
a=90 degrees
b=97.91 degrees
c=82.09 degrees
d=90 degrees
A=?
B=?
C=330mm
D=1150mm

Draw a line parallel to side D through vertex b. That gives you a right triangle in which you know one side and one angle. From that, you can use two trig functions to find the other two sides:

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[LeoBunnMan]

Thank you.