NCERT - Mathematics

Book: NCERT - Mathematics

Chapter: 11. Mensuration

Subject: Maths - Class 8th

Q. No. 2 of Exercises 11.2

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2

The area of a trapezium is 34 cm2 and the length of one of the parallel sides is 10 cm and its height is 4 cm. Find the length of the other parallel side.

Area of Trapezium = 1/2 × (Sum of Length of Parallel Side) × Distance Between Them


∴ Area of trapezium = 1/2 × (a + b) × h = 34 cm2


Here, a = 10cm, h = 4cm, b = length of another parallel Side 


∴ 1/2 × (10 + b) × 4 = 34


b = 7 cm


 

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