Question

Q13: The side of an equilateral 2
triangle is 2.8 cm. Its perimeter
is........... cm
O 8cm
O 6.8cm
O 8.4cm
O 84cm​

Answer 1

Step-by-step explanation:

Perimeter of equilateral triangle is 3a

so,= 3*(2.8)

= 8.4cm

I hope it helps you ✌️

Answer 2

Step-by-step explanation:

perimeter of a triangle is side + side +side

in equilateral triangle all sides are equal

so perimeter of equilateral triangle is 3*side

so perimeter is 2.8*3

that is 8.4 cm

there fore 8.4cm is the answer

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