Question

Find the perimeter of a triangle whose lengths are 10cm , 12cm and 25cm.

[Hint: 1 cm = 10 mm]​

Answer 1

Answer:

Perimeter of triangle = Side + Side + Side

                                  = 10 + 12 + 25

                                  = 47 cm

Answer 2

Answer:

470mm / 47cm

Step-by-step explanation:

470mm

Because 100 + 120 + 250 = 470