Question

2. The sides of a triangle are of lengths 12.4 centimetre, 16.8
centimetre, 13.7 centimetre. What is the perimeter of the
triangle?​

Answer 1

Answer:

perimeter of the triangle =side+side+side

                                          =12.4+16.8+13.7

                                          =42.9 centimeter.

Answer 2

Answer:

lengths of triangles sides 12.4, 16.8, 13.7

=12.4+16.8+13.7

=42.9 centimeter