Thread: Side of the Triangle

The area of a square is 9. If this square and an equilateral triangle have equal perimeters, find the length of one side of the triangle.

Originally Posted by magentarita

The area of a square is 9. If this square and an equilateral triangle have equal perimeters, find the length of one side of the triangle.

Area of square = 9





(side of square)

Perimeter of Square = 4(3) = 12

Perimeter of equilateral triangle = 12

P = 3s

12 = 3s

s = 4 (side of triangle)

Originally Posted by masters

Area of square = 9





(side of square)

Perimeter of Square = 4(3) = 12

Perimeter of equilateral triangle = 12

P = 3s

12 = 3s

s = 4 (side of triangle)

Another wonderful reply.

Thanks