# A triangle has two equal sides 4 inches long. what is the length of the third side (the base) if the triangle is to have maximum area?

Using Pythgoras, the height of the triangle is:

So the area of the triangle is:

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To maximize the area of the triangle, the third side (base) should be twice the length of the equal sides. Therefore, the length of the third side (base) would be 8 inches.

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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