Question

Find the perimeter of:
a triangle with sides 12.2 cm, 10.5 cm and 9.2 cm.​

Answer 1

Answer:

31.9

Step-by-step explanation:

we know that;

perimeter of triangle = sum of all sides

= 12.5+10.5+9.2

= 31.9

Answer 2

Answer:

perimeter of triangle=a+b+c (sum of all sides)

= 12.2cm+10.5cm+9.2cm

= 31.9cm