Question

Each side of a equilateral triangle is 20 cm. If it's is equal to the perimeter of the square, find the area of the square. ​

Answer 1

Step-by-step explanation:

perimeter of triangle =sum of all sides

. =20+20+20= 60cm

perimeter of square = 60cm

4×side = 60

side of square = 15 cm

area of square = side×side

= 15 × 15 = 225cm²