A trapezium has two parallel sides of length 5cm and 9cm. If the area is 21cm2, find the distance between the parallel sides
-
A.
3 cm -
B.
4 cm -
C.
6 cm -
D.
7 cm
Correct Answer: Option A
Explanation
Area of Trapezium = 1/2(sum of parralel sides) * ht
21 = 1/2(5 + 9)h
42 = 14h
h = 42/14
h = 3cm