length of 2 sides of a tringle is 13 and 15 cm find 3 side
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Answer:
give sides of triangles =a 13, b=14, c=15
semi primeter =1/2(a+b+c) =1/2(13+14+15)
- =21
- area =
- √s(s-a)(s-b)(s-c)
a=√21(21-13)(21-14)
a=84 cm^ 2
Step-by-step explanation:
that is your answer thanks
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