Question

What is the perimeter of an equilateral triangle of side length 90 cm?

• A. 270 cm
• B. 360 cm
• C. 300 cm
• D. 30 cm

Answer 1

The correct option is A 270 cm

Given, length of each side of the equilateral triangle = 90 cm

Perimeter of equilateral triangle
= $3\times \text{side length}$
= $3\times 90$
= 270 cm