Covering And Surrounding

Front 1

area

Back 1

the measurement of the amount of surface enclosed by the boundary of a figure

Front 2

base of a 2-D shape

Back 2

usually the horizontal side

Front 3

base of a 3-D shape

Back 3

the bottom face of a 3-D shape

Front 4

coordinates

Back 4

an ordered pair of numbers used to locate a point on a coordinate grid

Front 5

edge

Back 5

a line segment formed where two faces of a 3-D shape meet

Front 6

equilateral triangle

Back 6

a triangle with all 3 sides of equal length

Front 7

face

Back 7

a flat 2-D surface of a 3-D shape

Front 8

formula

Back 8

a rule containing variables that represents a mathematical relationship.

Front 9

height of a 2-D figure

Back 9

perpendicular distance from the base to the vertex of a triangle or the opposite side of a parallelogram

Front 10

height of a 3-D figure

Back 10

the vertical distance from the bottom of the figure to its top

Front 11

isosceles triangle

Back 11

a triangle with 2 sides the same length

Front 12

length of a 2-D shape

Back 12

The longest dimension or the dimension along the bottom of a rectangle is usually called the length.

Front 13

length of a 3-D shape

Back 13

refers to the long side of the rectangular base of a rectangular prism

Front 14

measurement of 2-D figures

Back 14

dimensions, such as length, width, and height, which describe the size of 2-D figures

Front 15

measurement of 3-D figures

Back 15

dimensions, such as length, width, base, and height, which describe the size of 2-D figures

Front 16

net

Back 16

a 2-D pattern that can be folded into a 3-D figure

Front 17

perimeter

Back 17

the measurement of the distance around a 2-D figure

Front 18

perpendicular lines

Back 18

lines that meet at right angles

Front 19

polygon

Back 19

a shape formed by three or more line segments, called sides

Front 20

oblique prism

Back 20

a prism for which some or all of the lateral faces are nonrectangular parallelograms

Front 21

prism

Back 21

a 3-D shape with a top and bottom (base) that are congruent polygons and lateral faces that are parallelograms

Front 22

pyramid

Back 22

a 3-D shape with one polygonal base and lateral faces that are all triangles that meet at a vertex opposite the base

Front 23

rectangular prism

Back 23

a prism with a top and bottom (base) that are congruent rectangles

Front 24

regular polygon

Back 24

a polygon that has all of its sides equal and all of its angles equal

Front 25

right angle

Back 25

an angle that measures 90 degrees

Front 26

right prism

Back 26

a prism whose vertical faces are rectangles

Front 27

scalene triangle

Back 27

a triangle with no sides equal

Front 28

surface area

Back 28

the area required to cover a 3-D shape

Front 29

unit cube

Back 29

a cube whose edges are 1 unit long

Front 30

vertex

Back 30

a corner of a polygon

Front 31

volume

Back 31

the amount of space occupied by or the capacity of a 3-D shape

Front 32

width of a 2-D shape

Back 32

usually the short side of a rectangle but ok to switch with the length

Front 33

width of a 3-D shape

Back 33

refers to the short side of the base of a rectangular prism

Front 34

x-coordinate

Back 34

the first number in an ordered pair

Front 35

y-coordinate

Back 35

the second number in an ordered pair