Unit 1 - Essential Geometric Tools and Concepts

Question 1

Point

Answer 1

a physical location in space that has no dimensions

Question 2

Distance

Answer 2

the length of a straight line segment that connects two points

Question 3

Colinear Points

Answer 3

points that land in a straight line

Question 4

Line

Answer 4

infinite set of points that extends forever in tow directions

Question 5

Ray

Answer 5

an infinite set of points that extends forever in one direction from a starting point

Question 6

Angle

Answer 6

a geometric object created by two rays with a common starting point

Question 7

Acute Angle

Answer 7

between 0 - 90 degrees

Question 8

Obtuse Angle

Answer 8

between 90 - 180 degrees

Question 9

Right Angle

Answer 9

measure of 90 degrees

Question 10

Straight Angle

Answer 10

measure of 180 degrees

Question 11

Reflex Angle

Answer 11

measure between 180 - 360 degrees

Question 12

Complementary Angles

Answer 12

two angles that add up to 90 degrees

Question 13

Supplementary Angles

Answer 13

two angles that add up to 180 degrees

Question 14

S.S.S. Theorem for Triangle Congruence

Answer 14

if three sides of one triangle are the same LENGTH as another triangles then the triangles are CONGRUENT

ABC congruent DEF

Question 15

Midpoint

Answer 15

the point the divides a line segments in two equal segments

Question 16

Segment Bisector

Answer 16

a line, ray, or segment that passes through the midpoint of another segment

Question 17

Angle Bisector

Answer 17

a line, ray, or segment that divides an angle into two congruent angles

Question 18

Perpendicular

Answer 18

any two lines, segments, or rays that intersect to form right angles