click below
click below
Normal Size Small Size show me how
Unit 7 Math Vocab
Math vocab
Question | Answer |
---|---|
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 |