Question

Pablo folds a straw into a triangle with side lengths of 4x2 – 3 inches, 4x2 – 2 inches, and 4x2 – 1 inches. The perimeter of the triangle is 12x2 – 6 inches. If x = 1.5, what was the length of the straw before it was folded?

___ inches

Answer 1

A

Explanation:

Answer 2

perimiter=legntho f straw=12x^2-6

if x=1.5 inches
12(1.5)^2-6=legnth
12(2.25)-6=
27-6=
21

legnth is 21 inches