An art class is making a mural for their school which has a triangle drawn in the middle.The length of the bottom triangle.The last side is 4 more than the bottom of the triangle.write and simplify an expression for the permeter of the triangle.

Question

07-02-2022
Mathematics

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An art class is making a mural for their school which has a triangle drawn in the middle.The length of the bottom triangle.The last side is 4 more than the bottom of the triangle.write and simplify an expression for the permeter of the triangle.

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palazzolorachel palazzolorachel · Answer 1 · 2022-02-07T16:53:35+01:00

6x + 15 is the formula for the triangle's perimeter.
Let x represent the triangle's bottom.
The length of one side of a triangle equals 12 times the length of the triangle's bottom, so:
4x + 12 is the side length.
The last side of the triangle is three times longer than the bottom, resulting in:
x + 3 is the length of a side.
Triangle perimeter = x + (4x + 12) + (x + 3)
6x + 15 = Perimeter
6x + 15 is the formula for the triangle's perimeter.