Question

the side of an equilateral triangle is 2 inches shorter than the side of a square. The perimeter of the square is 31 inches more than the perimeter of the triangle. Find the length of a side of the square

Answer 1

let x be side of square

Answer 2

4x=31+perimeter of triangle

Answer 3

now side of equilateral triangle =x-2

Answer 4

perimeter of equilateral triangle=(x-2)+(x-2)+(x-2)

Answer 5

substitute in our above qn and solve for x

Answer 6

gt it @jeilyn ?

Answer 7

kind of but not really...sorry

Answer 8

where do u have doubt?

Answer 9

ok i get the part of 4x= 31+? but the rest i didnt understand