Question

S is used in heron's formula for the perimeter of the triangle​

Answer 1

Step-by-step explanation:

No S is used for semi perimeter of triangle...

Answer 2

Answer:

Heron's formula is used when all sides of a triangle are known. It's actually easier than it looks. The semiperimeter is just the perimeter of the triangle divided by two.

Step-by-step explanation:

“S”is the half of the triangle perimeter. S=a+b+c/2. Introduction. Hero of Alexandria. The formula is credited to hero(or heron) of Alexandria.

In geometry, Heron's formula (sometimes called Hero's formula), named after Hero of Alexandria, gives the area of a triangle when the length of all three sides are known. Unlike other triangle area formulae, there is no need to calculate angles or other distances in the triangle first.