# How can a trapezoid be isosceles?

when its two legs are equal.

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A trapezoid can be isosceles if its non-parallel sides are congruent. In other words, if the two legs of the trapezoid are equal in length, it is considered an isosceles trapezoid. This occurs when the base angles opposite these equal sides are also congruent. However, the two parallel sides of a trapezoid are never congruent, as that would make it a parallelogram.

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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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- A convex quadrilateral has exterior angle measures, one at each vertex, of 5b+7°, 34b–33°, b+36°, and 37b–35°. What is the value of b?

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