The difference between two parallel sides of a trapezium is 4 cm. perpendicular distance between them is 10 cm. If the area of the trapezium is 250cm2 find the lengths of the parallel side  Choose the correct answer.
A) 27, 23  B) 25, 25  C) 24, 26  D) 23, 29  E) 24, 45
Explanation:   Let the two parallel sides of the trapezium be a cm and b cm.   Then, a-b = 4 ------ (1)   And, (1/2) x (a+b) x 10 = 475 =&gt;(a+b) =((250 x 2)/10) =&gt; a + b = 50------- (2)   Solving 1 and 2, we get: a=27,b=23   So, the two parallel sides are 27 cm and 23 cm.   27, 23nswer: Option 27, 23
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The difference between two parallel sides of a trapezium is 4 cm. perpendicular distance between them is 10 cm. If the area of the trapezium is 250cm2 find the lengths of the parallel side