Question

find the are of scalene triangle whose sides are 7cm,9cm and 10cm respectively​

Answer 1

Step-by-step explanation:

by herons formula

semi triangle = a+ b+ c/2

7+9+10/2

26/2

13

area of triangle by herons formula = √s(s-a)(s-b)(s-c)

√13(13-7)(13-9)(13-10)

√13(6)(4)(3)

6√26

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Answer 2

Step-by-step explanation:

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