Question

the side of a triangle are 13cm, 14cm,15cm.its semi perimeter is

Answer 1

Answer:

semiperimeter= half of perimeter

=  42s half =21

so 21 is the semiperimeter

hope u find this helpful

Answer 2

Answer:

21cm

Step-by-step explanation:

semi perimeter=perimeter/2

perimeter=13+14+15=42cm

semi perimeter=42/2=21cm