math vocabulary chapter 10

48 terms

point

a dot that represents a location on something

line

the path between two points that goes on forever

plane

a flat surface that extends anywhere

ray

a line that has one end point and goes on one way

line segment

a line with two end points

same measure

intersection

same point of two or more lines

parallel

next to and won't ever touch

angle

a figure made up by two rays

vertex

a point at the corner of something

measure

the size of something

protractor

a devise that measures angles

acute angle

an angle that is less than 90 degrees

obtuse angle

an angle that is more than 90 degrees

right angle

an angle that measures 90 degrees

strait angle

an angle that measures 180 degrees

perpindicular

when two lines make up a right angle

complementary

when the sum of two angles is 90 degrees

suplementary

when the sum of two angles in 180 degrees

scalene

a trianlge with different side lengths/measures

isosceles

a triangle with two sides the same length

equilateral

a triangle with all sides the same

equiangular

all angles have the same measurements

obtuse triangle

a triangle with a obtuse angle

right triangle

a triangle with a 90 degree angle

acute triangle

a triangle with all acute angles

vertical

when two angles are diagonal/have the smae measurements

corosponding

angles that are the same ( different location)

interior angles

alternating exterior

exterior angles

next to each other

a polygon wiht four sides

parallelogram

a quadrilateral with opppsite sides that are parallel and congruent

rhombus

parallelogram with all sides congruent

rectangle

parallelogram with four right angles

square

parallelogram with four right angle and congruent sides

trapezoid

quadrilateral with exactly one pair of parallel sides

bisect

cut into equal pieces

kite

sides that neighbor, are congruent, and share a vertex

convex

a line segment completly in a quadrilateral

5 sides

6 sides

7 sides

8 sides

9 sides

10 sides

regular polygon

a polygon with all sides/ angles the same

point plane line