WHICH MEANS THAT TRIANGLE BAE IS ALSO A RIGHT TRIANGLE (THEY SHARE...
10, which means that triangle BAE is also a right triangle (they
share the same right angle).
Area of trapezoid = area of triangle CAD – area of triangle BAE
= (1/2)bh – (1/2)bh
= 0.5(6)(8) – 0.5(3)(4)
= 24 – 6
= 18
The correct answer is B.