P L E A S E A N S W E R A S M A N Y A S P O S S I B L E

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation:

do you have a picture of the table