Pls Help need it asap
which triangle is similar to an equilateral triangle with side lengths of 5.2 cm

a. a right triangle with a perimeter of 15.6 cm
b. a equilateral triangle with a perimeter of 10 feet
c. any triangle with a perimeter of 15.6 cm
d. an isosceles triangle where two of the side are 5.2 cm