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Answer:

Daniel's Mistake was that she didnt add all the sides

Step-by-step explanation:

She only added the right side of the triangle, and the right and bottom sides of the square. She is missing the left of the triangle, which is another 6x-4, and the left side of the square, which is 12x +3.

Using these sides the answer should look like this,

set up your problem

1) (6x-4)*2 + (12x+3)*2 + (14x+13)

multiply your 2's in

2) (12x-8) + (24x+6) + (14x+13)

simplify

3) 50x + 11 is your answer

shubhamchouhanvrVT

Daniel's mistake was that she didn't add all the sides. The correct perimeter is 50x + 11.

What is the perimeter?

The perimeter of the shape is defined as the sum of all the sides. Here in the image, the perimeter will be the sum of all the sides of the triangle and rectangle.

She only added the right side of the triangle, and the right and bottom sides of the square. She is missing the left of the triangle, which is another 6x-4, and the left side of the square, which is 12x +3.

The perimeter will be calculated as below:-

P = Sum of the sides of the triangle + Sum of the sides of the rectangle

P = (6x-4)*2 + (12x+3)*2 + (14x+13)

P = (12x-8) + (24x+6) + (14x+13)

P =50x + 11

Therefore, Daniel's mistake was that she didn't add all the sides. The correct perimeter is 50x + 11.

To know more about perimeter follow

https://brainly.com/question/24382052

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