Calculating the perimeter

[Cynthia]

4 part question.
Need help not understanding

24. Find the perimeter of the rectangle in terms of x

3x-8 width
X is lenght
My answer is P= 8x-16

25. Find perimeter of triangle in terms of x
2x
My answer is 6x

26. Persume that the perimeter of rectangle in 24 and triangle in 25 are equal.
A. Using answer from 24 and 25 find x .

My answer is x=-8

Questioin help

B Using your answer to 24,25,26A calculate the perimeter of both the retangle in 24 and the triangle in 25
C . A square has the same perimeter as the rectangle and the triangle calculated B what would be the lenght of the side of the square

 

[Deleted member 4993]

4 part question.
Need help not understanding

24. Find the perimeter of the rectangle in terms of x

3x-8 width
X is lenght
My answer is P= 8x-16

25. Find perimeter of triangle in terms of x
2x
My answer is 6x

26. Persume that the perimeter of rectangle in 24 and triangle in 25 are equal.
A. Using answer from 24 and 25 find x .

My answer is x=-8 ........ Incorrect ....... "6x" (the perimeter of the triangle) is a measure of length - it cannot be negative

Questioin help

B Using your answer to 24,25,26A calculate the perimeter of both the retangle in 24 and the triangle in 25

You need to first calculate correct "x" - then calculate "8x-16" and "3x"

C . A square has the same perimeter as the rectangle and the triangle calculated B what would be the lenght of the side of the square

What is the perimeter of square with side = y?

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