Find the area of trapezium whose parallel sides are 20 cm and 18 cm long, and the distance between them is 15 cm?  Answers:
A) 272 cm
B) 786 cm
C) 285 cm
D) 186 cm
E) 179 cm
Area of a trapezium   = 1/2 (sum of parallel sides) * (perpendicular distance between them)   = 1/2 (20 + 18) * (15)   = 285 cm   Answer: 285 cm
<result>C</result>
Find the area of trapezium whose parallel sides are 20 cm and 18 cm long, and the distance between them is 15 cm?