Question

I need a&b answereda

Answer 1

a) The area of a trapezoid is the product of height and average base length.
.. area = (8 cm)*(12 cm +20 cm)/2 = 128 cm^2

b) The area is half the product of the diagonals.
.. area = (1/2)*(10 in)*(6 in) = 30 in^2