Geometry Terms

Question 1

A single location in space

Answer 1

point

Question 2

A straight path that goes in in both directions

Answer 2

line

Question 3

A straight path that has two endpoints

Answer 3

line segment

Question 4

a straight path that extends forever in one direction

Answer 4

ray

Question 5

lines that will never intersect or cross

Answer 5

parallel lines

Question 6

lines that cross to form a right angle

Answer 6

perpendicular lines

Question 7

lines that cross

Answer 7

intersecting

Question 8

formed when two lines, line segments or rays meet

Answer 8

angle

Question 9

the common endpoint of an angle

Answer 9

vertex

Question 11

angle that measures less than 90 degrees

Answer 11

acute angle

Question 12

angle that measures exactly 90 degrees

Answer 12

right angle

Question 13

angle that measures more than 90 degrees but less than 180 degrees

Answer 13

obtuse angle

Question 14

angle that measures exactly 180 degrees

Answer 14

straight angle

Question 15

angle that measures more than 180 degreees

Answer 15

reflex angle

Question 16

2 dimensional figure that has straight sides, no intersecting lines, and no openings.

Answer 16

Polygon

Question 17

a polygon with 4 sides and 4 angles

Answer 17

quadrilateral

Question 18

a quadrilateral with 2 sets of parallel sides

Answer 18

parallelogram

Question 19

a quadrilateral with 2 sets of parallel sides and 4 right angles

Answer 19

rectangle

Question 20

a quadrilateral with 2 sets of parallel sides, 4 right angles and all sides are equal

Answer 20

square

Question 21

a quadrilateral with 2 sets of parallel sides and all sides are equal

Answer 21

rhombus

Question 22

a quadrilateral with exactly one side of parallel sides

Answer 22

trapezoid

Question 23

a polygon with three sides and angles

Answer 23

triangle

Question 24

triangle with three different length sides and three different angles

Answer 24

scalene triangle

Question 25

Triangle with equal sides all angles measure 60 degrees.

Answer 25

equilateral triangle

Question 26

triangle with two equal sides and 2 equal angles, the third side and angle are different.

Answer 26

isosceles triangle

Question 27

triangle with all acute angles

Answer 27

acute triangle

Question 28

triangle with one right angle

Answer 28

right triangle

Question 29

triangle with one obtuse angle

Answer 29

obtuse triangle