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Unit 7 Math Vocab

Math vocab

angle has two sides that share a common endpoint and is measured in degrees
degrees when a circle is divided into 360 equal-sized parts, each part has an angle measure of 1 degree
vertex the common endpoint of two or more line segments that form an angle
acute angle an angle with less than 90 degrees
right angle an angle with 90 degrees
obtuse angle an angle with more that 90 degrees but less than 180 degrees
straight angle an angle with 180 degrees
complementary angles two angles whose sum equals 90 degrees
supplementary angles two angles whose sum equals 180 degrees
polygon a closed figure with three or more sides
triangle a three sided polygon whose interior angles equals 180 degrees
scalene triangle a triangle with NO equal sides and NO equal angles
isosceles triangle a triangle with TWO equal sides and TWO equal angles
equilateral triangle a triangle with THREE equal sides and THREE equal angles
acute triangle a triangle with three acute angles
right triangle a triangle with one right angle
obtuse triangle a triangle with one obutse angle
quadrilateral a closed figure with four sides and four angles
parallelograms quadrilaterals whose opposite sides are parallel and congruent
rectangle a rectangle is a parralelogram that has 4 right angles
square a parallelogram with four equal sides and four equal angles
rhombus parallelogram with 4 equal sides and its opposite angles are congruent
trapeziod a quadrilateral with one pair of parallel des
perimeter the distance around a geometric figure
area the number of square units needed to cover the surface enclosed by a geometric figure
composite figure a polygon made up of two or more geometric shapes
Created by: AHoldeman