Question

$\sqrt{5.5(2.5)(1.5)(1.5)}$
heron's formula ​

Answer 1

Answer:

Hero's formula

Step-by-step explanation:

Let a, b, c be the sides of a triangle ABC.

Then,

$s = \frac{1}{2} \: (a + b + c)$

A Greek mathematician, Hero, gave the formula:

$area \: of \: triangle \: abc \: = \: \sqrt{s(s - a)(s - b)(s - c)} \: sq \: units$