The word geometry means

The Elements was written by

line

line segment

ray

angle

vertex

intersecting lines

plane

parallel lines

curves

closed curves

simple closed curves

polygon

quadrilateral

parallelogram

trapezoid

Congruent

similar shapes

skew lines

perpendicular lines

complementary lines

supplementary angles

circle is usually named by

radius

diameter

arc

chord

the center of the circle is the...

the angles in a triangle total...

Equiangular triangles

equilateral triangles

isosceles triangles

scalene triangles

triangles are similar when..

congruent triangles have...

two triangles are congruent if...

perimeter of rectangle

perimeter of a square

perimeter of a triangle

Circumference (distance around the circle)

area of a rectangle

area of a square

area of a parallelogram

area of a triangle

area of a trapezoid

area of a circle

surface area of a rectangular prism

lateral surface area of a rectangular prism
(lateral means side)

surface area of a cube

lateral surface area of a cube

surface area of a square pyramid

surface area of a cylinder

Volume

Volume of a cube

Volume of a square pyramid

Volume of a cylinder

Volume of a cone

hypotenuse

Pythagorean's rule is