Find the value of x to the nearest tenth
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The expression for perimeter of triangle is 6x + 21
<em><u>Solution:</u></em>
Given that,
Let the length of the bottom of the triangle be "x"
Another side is 7 more than 4 times the length of the bottom of the triangle
Length of another side = 7 + 4x
The last side is 14 more than the bottom of the triangle
Length of last side = 14 + x
<em><u>The perimeter of triangle is given as:</u></em>
Perimeter = sum length of length of all 3 sides of triangle
Thus expression for perimeter of triangle is 6x + 21