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Q.

The area of the triangle whose sides are 18 cm, 24 cm and 30 cm in length is ____ c m 2  .


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Detailed Solution

The area of the triangle whose sides are 18 cm, 24 cm and 30 cm in length is 216 c m 2  .
Given a triangle whose sides are 18 cm, 24 cm and 30 cm in length.
The value of s is,
s= (a+b+c) 2 ⇒s= 18+24+30 2 ⇒s=36  
Now, area of the triangle using Heron’s formula is,
Question Image  Question Image  Question ImageThe area is 216 c m 2  .
 
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The area of the triangle whose sides are 18 cm, 24 cm and 30 cm in length is ____ c m 2  .