If its area is 175 sq. cm, then its height is:

The length of two parallel sides of a trapezium are 15 cm and 20 cm. If its area is 175 sq. cm, then its height is:

  1. 10 cm
  2. 25 cm
  3. 20 cm
  4. 15 cm
Anurag Mishra Professor Asked on 11th December 2015 in Maths.
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  • 1 Answer(s)

    Answer:  (1) 10 cm 

    Explanation:-
    Given-
    The length of two parallel sides of a trapezium = 15 cm and 20 cm 
    The area of the same trapezium = 175 sq. cm

    Formula-
    The area of the trapezium = height x the sum of parallel sides 

    Then, height x (15 + 20)/2 = 175
     height = 175 x 2/35
      = 350/35
      = 10

    Then, the height of the trapezium is 10 cm. 

    Hence, the answer is (1) 10 cm. 

    Anurag Mishra Professor Answered on 11th December 2015.
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