One side of a triangle is half the longest side abd third side ia ⅔ of the longer side . if the perimeter of 3 the triangle is 13 cm find the length of the longer side​ please help me please

let m = monomial

let t = trinomial

so, m times t = t.

monomial times a trinomial = another trinomial.

probably the last option

step-by-step explanation:

t

step-by-step explanation:

ever thing time 1 is a multiply by 1 it get