Find the perimeter of the isosceles triangle in simplest form. x2 + 20 units 2x units

Tyler Bell asked May 2, 2023

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Tyler Bell asked May 2, 2023

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14 votes

The perimeter of an isosceles triangle is given by:

$P\text{ = 2a + b}$

From the question, b = 2x; a = x^2 + 20

$P\text{ = 2a }+b=2(x^2+20)+2x=2x^2+40\text{ + 2x}$
$P=2x^2\text{ + 2x + 40}$

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