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Math L61 - 65

Angles and Area

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.
Created by: khoward3