Question

Find area of triangle whose sides are 13cm, 14cm, 15cm.

Answer 1

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Answer 2

Answer:

Step-by-step explanation:

By heroins formula

We get s=13+14+15/2

S= 42/2 =21

Now area= root of s(s-a)(s-b)(s-c)

Root of 21 (21-13)(21-14)(21-15)

Root of 21 (8)(7)(6)

Root of 21 (366)

Root of 7056

84cm^2 is the area

Hope it is useful......