Question

9. Find the perimeter of the following:
(a) An equilateral triangle whose side is 15 cm.​

Answer 1

Step-by-step explanation:

equilateral triangle

perimeter 15+15+15=45

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Answer 2

Answer:

45 cm

Step-by-step explanation:

Perimeter is sum of all sides

In equilateral triangle all sides are same hence its perimeter is

15 + 15 + 15

45