Trapezoid angle sizes

Given a trapezoid ABCD and the sizes of the interior angles.
Angle SDC 32°
SAD angle 33°
SDA angle 77°
Angle CBS 29°, where S is the intersection of the diagonals.
What is the size of the angle BSA?

Your answer:

°


Help us improve! If you spot a mistake, please let let us know. Thank you!







Tips for related online calculators
Do you have a linear equation or system of equations and are looking for a solution? Or do you have a quadratic equation?
See also our trigonometric triangle calculator.

You need to know the following knowledge to solve this word math problem:


 
We encourage you to watch this tutorial video on this math problem: video1

Related math problems and questions: