Question

pablo folds a straw into a triangle with side lengths of 4x^2-3 inches, 4x^2-2 inches, and 4x^2-1 inches. The perimeter of the triangle is 12x^@-6 inches. IF x=1.5, what was the length of the straw before it was folded?

Answer 1

Answer:

21 inches

Step-by-step explanation:

Given that Pablo folds a straw into a triangle

HEnce length of the straw before folding=perimeter of the triangle

SInce sides are

$4x^2-1,4x^2-2 and 4x^2-1$

Perimeter = sum of all sides

=$12x^2-6$

Substitute for x =1.5

Length of straw = $12(`1.5)^2-6$

=$12(2.25)-6$

=$21$

Answer is 21 inches

Answer 2

Answer:

21 inches

Step-by-step explanation:

We know that a straw is folded into a triangle with side lengths $4x^2-3$ inches, $4x^2-2$ inches and $4x^2-1$ inches and the perimeter of the triangle is $12x^2-6$ inches.

Given x=1.5, we can either substitute this value of x in the side lengths and add them or simply put it in perimeter to find the length of straw.

Length of straw = $12x^2-6$ = 12(1.5)^2-6=[/tex] 21 inches