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Q.

The sides of triangle are 21 cm, 17 cm and 10 cm find its area.


Class: 10


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a

  84

b

  72

c

  95

d

  85  

answer is A.

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Detailed Solution

Let a = 21 cm, b = 17 cm, c = 10 cm
Question ImageQuestion ImageArea of triangle = Question ImageQuestion ImageQuestion ImageQuestion ImageQuestion Image  
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