Question

find the perimeter of a triangle of sides 3cm 5cm and 9cm

Answer 1

Answer:

17cm

Step-by-step explanation:

Perimeter=sum of all sides

P=3+5+9

P→17cm

Answer 2

Step-by-step explanation:

Perimeter of a triangle= 3cm + 5cm + 9cm

                                     = 17cm

So the perimeter of the triangle is 17cm.