Math, asked by aditya5811, 1 year ago

find the area of triangle ABC, AC=25cm BC=7cm AB=10cm

Answers

Answered by savitor
0
this question is wrong because heron formula is not applicable
Answered by Anonymous
0

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Drop a perpendicular from A to side BC and mark it as D

 =  > AD= \sqrt{ {x}^{2} -  {5}^{2}  }

 =  > area= \frac{1}{2} ×AD×BC

 =  > 60  =  \frac{1}{2}  \times  \sqrt{ {x}^{2} - 25 }   \times  10

 =  > 144 =  {x}^{2}  - 25

  {x}^{2}  = 169

x = 13cm

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