Math Word of the Day - Week of December 20

Dec 20, 2020 | Mesa North

Math Word of the Day comes from the Math Dictionary written by Mathnasium.

 

Diagonal

Sunday, December 20

A line segment joining two nonadjacent vertices of a polygon.

From the Latin dia- (across) and -gon (angle): literally, "across from angle to angle."  

 

Diagram 

Monday, December 21

A picture designed to demonstrate or explain how something works or to clarify the relationship between the parts of a whole. 

 

Diameter 

Tuesday, December 22

The distance across a circle. The chord of a circle that passes through the center.  

 

Dichotomy 

Wednesday, December 23

The division into two usually mutually exclusive parts. 

 

Difference  

Thursday, December 24

The answer to a subtraction question.

 

Digit

Friday, December 25

Any one of the ten Hindu-Arabic symbols: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9.

In general, any numeric symbol less than the base of the number system.   

 

Dilation 

Saturday, December 26

A transformation that either enlarges or reduces a geometric figure proportionately.    

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