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Math L61 - 65
Angles and Area
Term | Definition |
---|---|
angle | The opening that is formed when two line segments intersect. |
acute angle | An angle whose opening is smaller than a right angle. |
straight angle | An angle that forms a straight line. |
obtuse angle | An angle those opening is bigger than a right angle. |
square number | The product when a whole number is multiplied by itself. |
area | the number of square units needed to cover a surface |
dozen | a group of twelve |
square inch | A measure of area equal to that of a square with 1-inch sides. |
square unit | An area equal to the area of a square with sides of designated length. |
side | A line segment that is part of a polygon. |
vertex | A point of an angle, polygon, or solid where two or more line segments meet. |