Answer:
Step-by-step explanation:
area of triangle = ½×base×height
A. area = ½×70×24 = 940 units²
B. area = ½×35×13 = 227.5 units²
C. ½×8×9.7 = 38.8 units²
area of trapezoid = height×(base 1 + base 2)/2
D. area = 8×(12+14)/2 = 104 units²
E. area = 3.25×(5+7)/2 = 19.5 units²
