Question

An equilateral triangle has an extra of 15.6 cm^(2). Calculate the lengths of its sides

Answer 1

Answer:

5.5 cm

Step-by-step explanation

The perimeter of an equilateral triangle is 16.5 cm

Let the side of the triangle be x cm.

Since all sides of the equilateral triangle are the same.

Hence, 3x=16.5  

x=5.5cm

Hence, side of the triangle is 5.5 cm

Answer 2

Answer:

15.5+15.5+15.5=46.5cm