Question

the length of two parrallel sides of a trapezium are 28cm and 12 cm.if the distance between the parallel sides is 9 cm,then area ( in square cm) of the trapezium is​

Answer 1

Step-by-step explanation:

Area of trapezium = 1/2×(sumofparallelsides)×altitude

Let other parallel side be x cm.

Then,

1/2(x+6)×4=28

⇒2(x+6)=28

⇒x=14−6

⇒x=8cm

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