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informal geom test 1
| Question | Answer |
|---|---|
| a instrument used to measure angles | protractor |
| a _______ is a quadrilateral with two pairs of adjacent sides, where the sides in each pair are congruent, but the pairs have no common sides | kite |
| means "earth measure" | geometry |
| any collection of points is called | geometric figure |
| _____ ______ is a famous set of books written by euclid | the element |
| a polygon with nine sides is called _____ | a nonogon |
| _______ is a set of all points | space |
| a ____ is a sheet of points on a flat surface that has no thickness and no edges | plane |
| a_______ is a wire of points stretched as tightly as possible, of infinite length, having no thickness | line |
| a proportion of a line that has one end point and extends to one end indefinately | ray |
| two line segments or rays meeting at a common endpoint to form a ______ | angle |
| a angle whose measure is between 90 and 180 degrees is called a _______ angle | obtuse |
| a line segment joining two points on the circle is called a(n) ______ of the citcle | chord |
| the sides across from the acute angle in the right triangle are called the _____ of the triangle | legs |
| a _______ is a quadrilateral with all sides congruent, bu not necessarily all angles congruent | rhombus |
| two lines that lie in the same plane and do not intersect are called _______ line | parallel |
| two angles whose sum is 90 degrees are called | complimentary angles |
| a _____ triangle has no congruent sides | scalene |
| a ________ is a simple closed curve that consists of the set of all points equidistant from a given point | circle |
| a ______ is a quadrilateral that has exactly one pair of sides parallel | kite |
| a line segment from a vertex of a triangle joining the midpoint of the opposite side is called an ___________ of the triangle | altitude |
| a _____ pair of angles is an adjacent pair of angles such that the non common sides for a straight line | linear |
| three or more points that can be contained on one line are called __________ | colinear |
| two lines that intersect to form right angles are called | perpendicular |
| a _______ is a simple closed curve composed only of line segments | polygon |
| a _____ triangle has three acute angles | right |
| a _____ polygon has all sides congruent and all angles congruent | regular |
| each angle is an equilateral triangle measures 60 degrees (t/f) | true |
| linear pairs of angles are complimentary(t/f) | true |
| a plane can be determined by 2 parallel lines | true |
| the sum of the exterior angles of a polygon is 360 degrees | true |
| every parallelogram is a square | false |
| a line segment has a finite number of points on it | fals |
| an octagon is a simple closed curve | true |
| the altitudes of all triangles must lie inside the triangle | true |
| every square is a rhombus (t/f) | true |
| some right triangles are obtuse (t/f) | flase |
| all equalateral triangles are isosles | true |
| all triangles are kites (t/f) | true |
| linear pairs of angles are always congruent (t/f) | false |
| a plane can be determined by 3 non colinear oints | true |
| a line segment has finite number of points on it | false |
| every parallelogram is a rectangle (t/f) | false |
| vertical angles are congruent (t/f) | true |
| a plane can be determined by two parallel lines (t/f) | true |
| a line is determined by 2 points (t/f) | true |
| skew lines line the same plane | false |
| each angle in a equalateral triangle measures 50 (t/f) | false |
| the supplements of a obtuse angle is always acute (t/f) | true |
| a plane can be determined by two intersecting lines (t/f) | true |
Created by:
tay_dalrymple