If the vertices of a science classroom are located at (−3 x 1 , y 1 ) -3x1,y1 , (−3 x 2 , y 2 ) -3x2,y2 , (−3 x 3 , y 3 ) -3x3,y3 , and (−3 x 4 , y 4 ) -3x4,y4 , will the science classroom be congruent to the math classroom?
1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?