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Home > CALC > Chapter 5 > Lesson 5.3.2 > Problem 5-127

5-127.

Solve for b or h.

Dissect the isosceles triangle into two right triangles, label its dimensions in terms of b or h. Then use the the Pythagorean Theorem to solve for the hypotenuse.

Write a perimeter function. Then use Calculus to optimize it.