Question

What is semi perimeter

Answer 1

perimeter is the sum of of all angles and semi perimeter means half of perimeter

Answer 2

Half of the perimeter is known as semi perimeter.

It is denoted by s.

It can be calculated by diving perimeter by 2 i.e,

$Semi perimeter (s) = \frac{a + b + c}{2}$

Where a, b & c are sides of the triangle.