# Can someone help me please? Thanks!

see below

The property of an isosceles triangle we need to consider is that the height of the triangle is the perpendicular bisector of the base.

using a calculator

(c) we want to find the areas in both cases

for case (a)

case (b)

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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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