Englishfor English speakers
vertex
Noun
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A vertex is when two lines meet in a shape.
I learned in math that vertex is another word for corner.
of
Preposition
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Made using.
It is a house of cards.
cone
Noun
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A cone is a geometric shape with a circular flat base joined to a single point at the other end.
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A cone is a fruit of a conifer.
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A cone is an ice cream cone.