I agreed Angle 4 and 12 is the right answer
88 inches. Area = base x height so 8 x 11 = 88
I think the answer is 1,600 totals students taking metaphysics
Triangle ABD and triangle CDB are similar because:
-it is given that angle A and angle C are equal, both 90
-angle ABD and angle CDB are equal because they are alternate interior angles
- side DB and side DB are the same length
- two triangles are equal because of AAS