Find the area of a triangle whose sides are 13cm 14cm 15cm
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Answer:
84cm^2
Step-by-step explanation:
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
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