Question

Please solve it by Heron's formula​

Answer 1

Hi there!

$<marquee style="height:10; width:10"scrollamount=" 20"scrolldelay="100">Answer :-</marquee>$

Let a = 7, b = 9, c = 11.

Semi Perimeter =

$\frac{7 + 9 + 11}{2} = 13.5$

Herons Formula =>

$\sqrt{(s - a)(s - b)(s - c)}$

$\sqrt{6.5 \times 4.5 \times 2.5}$

$\sqrt{73.125}$

If you want to take common then, it's your wish.

Your Answer => √73.125 units