Use the two red points to write the equation in slope-intercept form. write any coefficients as integers, proper fractions or improper fractions in simplest form.

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:

c. side angle side. u shares the same sides