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Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 7

In a trapezium if the sum of the parallel sides is 10 cm and the area is 140 sq.cm, then the height is

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Question

In a trapezium if the sum of the parallel sides is 10 cm and the area is 140 sq.cm, then the height is

Options

  • 7 cm

  • 40 cm

  • 14 cm

  • 28 cm

MCQ
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Solution

28 cm

Explanation;

Hint:

Area = `1/2` × h × (a + b)

140 = `1/2` × h × 10

h = `(140 xx 2)/10`

⇒ h = 28

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Chapter 2: Measurements - Exercise 2.3 [Page 47]

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Samacheer Kalvi Mathematics - Term 1 [English] Class 7 TN Board
Chapter 2 Measurements
Exercise 2.3 | Q 9 | Page 47

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