RD Sharma - Mathematics

Book: RD Sharma - Mathematics

Chapter: 20. Mensuration-I (Area of a Trapezium and a Polygon)

Subject: Maths - Class 8th

Q. No. 18 of Exercise 20.2

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18

If the area of a trapezium is 28 cm2 and one of its parallel sides is 6 cm, find the other parallel side if its altitude is 4 cm.

Let the length of other parallel side of trapezium =


Length of one parallel side of trapezium =


Area of trapezium = 28 cm2


Length of altitude of trapezium = 4 cm


Area of trapezium =


28 =




Therefore the length of other parallel side of trapezium =


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