Question

Find the length of a side of an equilateral triangle whose perimeter is 2 m 25 cm

Answer 1

Answer:

perimeter = 2.25cm

length = ?

perimeter of triangle = 3 × side

$= 2.25 = 3 \times l \\ = l = \frac{225}{3 \times 100} \\ = l = \frac{75}{100} = 0.75$