Question

what is heron's formula please anybody help
my exam is on 10 Oct but I can't understand and anybody can give me last year question paper of class 9 cbse board

please ​

Answer 1

Answer:

area of triangle=

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

Step-by-step explanation:

where s(semi perimeter)=(a+b+c)/2

a,b and c are measure of sides of triangle.

Answer 2

Answer:

herons formula is ✓s(s-a)(s-b)(s-c)

Step-by-step explanation:

it used to give area of triangle

and s=a+b+c÷2