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In this video, let's discuss the type of quadrilaterals called Dropcam, what do we mean with the Topsham

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trapeze foresighted polygon, that is, it's a quadrilateral where one pair of opposite sides are parallel

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lines.

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Let's take an example over here.

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You can see that this side is parallel to the side right over here.

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You can see the side is parallel to the side that's market over here.

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But these two are examples of trapezius.

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These sides are not parallel, but these two sides are parallel to each other.

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And that's the same case over here.

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These two sides are parallel to each other.

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These two sides are not parallel to each other.

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Now, this is a special type of Papazian.

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If these two sides are of equal length, then we call it an isosceles Topsham.

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So we know what it is.

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And we have discussed quickly what we mean with an isosceles trapezius.