Question

find the area of triangle whose aides are 13 , 14 and 15 cm​

Answer 1

Answer:

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Answer 2

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The sides of a triangle are 13 cm, 14 cm and 15 cm respectively.

Using Heron's formula.

Area of a triangle is  √s(s-a) (s-b) (s-c)

By using herons formula

We get s=13+14+15/2

S=21cm

Now area=√s(s-a) (s-b) (s-c)

√21(21-13)(21-14)(21-15)

√21(8)(7)(6)

√21(336)

√7056

84 cm² is the area

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