Question

in triangle a=10cm b=7 s=15 find c with heron formula

Answer 1

please refer to the attachment

Answer 2

Hey !!

Here is ur answer..

Given, a = 10 cm, b = 7 cm and s = 15 cm

Now,

$Semiperemeter = \frac{a + b + c}{2}$

Let c be x.


Therefore ATQ,

$15 = \frac{10 + 7 + x}{2} \\ 15 \times 2 = 17 + x \\ 30 = 17 + x \\ x = 30 - 17 \\ x = 13 \: cm$

Hope it helps..