SOLUTION: ABCD is an inscribed quadrilateral. Find the measures of angles A, B, C, D? I cant get the picture, but i can describe it. Inside the circe is a quadrilateral. Quad. ABCD A

Question 318770: ABCD is an inscribed quadrilateral. Find the measures of angles A, B, C, D?
I cant get the picture, but i can describe it.
Inside the circe is a quadrilateral.
Quad. ABCD
Angle A is the lower left corner
Angle B Is the upper left corner
Angle C is the upper right corner
Angle D is lower right corner
Angle A= 2x+y
Angle B= 2y-10
Angle C= 80
Angle D= 3x
(Image is not drawn to scale)
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
There's not enough information.
The sum of all of the angles equals 360.

You need to know something about the relationship of the angles.
If ABCD was a rhombus, parallelogram, square, or rectangle, you would know an additional relationship between x and y and be able to solve.
Right now you have 1 equation with 2 unknowns.
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