Question

Find the perimeter of a triangle ABC if AB = 28
cm, BC=30cm and CA=40 cm.​

Answer 1

Answer:

perimeter the a triangle = 108

Step-by-step explanation:

perimeter of a triangle =sum of its all sides

therefore , AB+BC+AC

=28+30+40

=108

Answer 2

The Perimeter of a triangle is 98 cm

Step-by-step explanation:

Sides of a triangle : AB=28cm,BC=30cm,CA=40cm

Perimeter of a triangle formula: add all sides of a triangle

Perimeter of a triangle formula : AB+BC+CA

=28cm+30cm+40cm

=98cm