Question

What is the area of a trapezoid ABCD with bases AB and CD , if:
AB=10cm, BC=DA=13cm, CD=20cm

Answer 1

Step-by-step explanation:

to find height :

draw a height from A to CD

height = (13) 2 - 5) 2 = 12 Cm

area = 10+20 /2 X 12= 180 cm 2