Question

If the two parallel sides of a trapezium are 6 cm and 12 cm , respectively while the distance between them is 10 cm , then what will be its area ?

Answer 1

Answer:

Let the lengths of the two parallel sides of the trapezium be X and 2 X cm respectively.

We know that

Area of the trapezium

=

2

1

(Sum of parallel sides) × (Distance between them)

∴180=

2

1

(x+2x)×12

or 180×2=3x×12

or 180×2=3x×12

or 36x=360

or x=10

∴ The sides of the trapezium are 10 cm and 20 cm respectively.

Answer 2

6+12/2×10

90 is the answer

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