Question

chapter- decimal
1) find the perimeter of an equilateral triangle of side 3.8 CM.
class 7​

Answer 1

Answer:

10.5 cm

Step-by-step explanation:

see my friend

equilateral triangle are sides are equal

perimeter of triangle = sum of all sides

one side is = 3.5 cm

3.5

+3.5

+3.5

---------

10.5 cm

so the answer is 10.5 cm