Question

18) Find the perimeter of a triangle of side 3.2cm, 4cm and 5.1cm.​

Answer 1

For finding the perimeter of the triangle just add the sides.

(3.2+4+5.1)cm

=12.3cm

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Answer 2

Answer:

12.3CMS = PERIMETER

Step-by-step explanation:

PERIMETER of a TRIANGLE is sum of its sides.

so,

a+b+c=P

where,

a=3.2cm

b=4cm

c=5cm

3.2+4+5.1=12.3cms

Hence PERIMETER of a TRIANGLE = 12.3cms

HOPE IT HELPS YOU...