Question

7cm,8cm,9cm are the sides of triangle.find area​

Answer 1

Answer:

Area = 26.8328

Step-by-step explanation:

A method for calculating the area of a triangle when you know the lengths of all three sides.

Let a,b,c be the lengths of the sides of a triangle. The area is given by:

Area = The picture attached.

where p is half the perimeter, or $\frac{a+b+c}{2}$

Hope this helps!