Chapter 8 Vocabulary Word Scramble
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Vocabulary | Answers |
Point | a bold dot |
Line | keeps going without in two opposite directions. |
Angle | formed by two rays with the same end point |
Ray | has on end with a point and the other keeps going in one direction. |
Plane | a flat surface that extends without end in all directions. |
Vertex | The end point of two lines |
Straight angle | measures 180° |
Right angle | measures 90° and has a little box |
Supplementary | if the sum of theirs measures 180° |
Complementary | The sum of theirs measures 90° |
Vertical angle | there pairs are called vertical angles, and they always have the same measure. OPPOSITE PAIRS |
Paralled Lines | two lines that do not intersect. SAME PLANE |
Perpendicular lines | two lines that intersect at a right angle. |
Corresponding angles | angles that occupliy corresponging positions when a line intersects with two other lines |
alternate interior angles | insider angles |
alternate exterior angle | outside angles |
Quadrilateral | a closed figure with four sides that are line segments |
Trapezoid | quadrilateral with exactly one pair of parallel sides |
Parallelogram | quadrilateral with both pairs of opposite sides parallel. |
Rhombus | parallelogram with 4 sides of equal length. |
Rectangle | parallelogram with 4 right angles |
Square | parallelogram with 4 sides of equal lenth and 4 right angles. |
Acute angle | measure is less then 90° |
Right angle | measure is exactly 90° |
obtuse angle | measure is greater then 90° and less then 180° |
acute triangle | has 3 acute angles |
Right Triangle | has one right angle |
Obtuse Triangle | has on obtuse angle |
Equilateral Triangle | has 3 sides of equal lenth |
isosceles Triangle | has 2 of the same side lengths |
Scale Triangle | has NO sides of the same length. |
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