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The three sides of a triangular fence have lengths 3x+4, y-5 , and 7x-1. What is the total perimeter?

a. 10x+y-2
b. 10x+y+8
c. 10x+y
d. 3x+y-2

1 Answer

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Final answer:

To calculate the perimeter of the triangular fence, sum the lengths of the sides (3x+4, y-5, and 7x-1) to get 10x+y-2. The correct multiple-choice answer is 'a. 10x+y-2'.

Step-by-step explanation:

The student is asked to calculate the total perimeter of a triangular fence with sides of length 3x+4, y-5, and 7x-1. To find the perimeter of a triangle, we simply add up the lengths of all the sides. Therefore, the perimeter (P) can be calculated as follows:

P = (3x+4) + (y-5) + (7x-1)

Simplifying the expression, we combine like terms:

P = 3x + 4 + y - 5 + 7x - 1

P = 10x + y - 2

So the total perimeter of the triangular fence is 10x + y - 2.

In conclusion, if we give an mcq answer in the final answer, the correct option would be a. 10x+y-2.

User Mukesh Kashyap
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