Chapter 11 Vocab

Question 1

Rectangular prism formula SA

Answer 1

SA=LA+2B: LA=ph

Question 2

Triangular prism formula SA

Answer 2

SA=LA+2B: LA=ph

Question 3

Cylinder formula SA

Answer 3

SA=2πrh+πr^2: LA=2πrh

Question 4

Cone SA

Answer 4

SA=πrl+πr^2: LA=πrl

Question 5

Square pyramid SA

Answer 5

SA=LA+s^2: LA=1/2pl

Question 6

Triangular Pyramid SA

Answer 6

SA=LA+B; LA=1/2pl

Question 7

Regular polygon pyramid SA

Answer 7

SA=1/2pl+1/2Pa; LA=1/2pl

Question 8

Volume of a Rectangular prism

Answer 8

V=Bh

Question 9

Volume of a Triangular prism

Answer 9

V=(1/2bh)h

Question 10

Volume of a cylinder

Answer 10

V=πr^2h

Question 11

Volume of a cone

Answer 11

V=1/3Bh

Question 12

Volume of a square pyramid

Answer 12

V=1/3Bh

Question 13

Volume of a Triangular pyramid

Answer 13

V=1/3Bh

Question 14

Volume of a regular polygon

Answer 14

1/6Pah

Question 15

Polyhedron

Answer 15

space figure or three dimensional figure whose surfaces are polygons

Question 16

Face

Answer 16

each polygon of the polyhedron

Question 17

Edge

Answer 17

segment that is formed by the intersection of two faces

Question 18

Vertex

Answer 18

point where three or more edges intersect

Question 19

Cross section

Answer 19

intersection of a solid and a plane, a very thin slice of the solid

Question 20

Eulers formula for a net

Answer 20

F+V=E+1

Question 21

Eulers formula for a 3D object

Answer 21

F+V=E+2

Question 22

Prism

Answer 22

Polyhedron with two congruent, parallel faces, called bases, while the others are lateral faces. The name of the prism is based on the shape of the base

Question 23

Altitude

Answer 23

perpendicular segment that joins the planes of the bases, the length is the height

Question 24

Right Prism

Answer 24

lateral faces are rectangles and a lateral edge is a altitude

Question 25

Oblique Prism

Answer 25

some or all of the lateral faces are non rectangular

Question 26

Lateral area prism

Answer 26

The sum of the areas of lateral faces

Question 27

Surface Area prism

Answer 27

sum of the lateral area and the area of the two bases

Question 28

Cylinder

Answer 28

solid that has two congruent parallel bases and are circles

Question 29

Right Cylinder

Answer 29

segment joining the centers of the bases is an altitude

Question 30

Oblique Cylinder

Answer 30

Segment joining the centers is not perpendicular to the planes containing the bases

Question 31

Lateral area cylinder

Answer 31

the rectangle that forms the side of the cylinder

Question 32

Surface Area cylinder

Answer 32

sum of the lateral area and if the circular bases

Question 33

Pyramid

Answer 33

polyhedron in which on face (base) can be any polygon and the other faces (lateral faces) are triangles that meet at a common point called the vertex

Question 34

Regular pyramid`

Answer 34

pyramid whose base is a regular polygon and whose lateral faces are congruent isosceles triangles

Question 35

Slant height

Answer 35

length of the altitude of a lateral face of a pyramid

Question 36

Lateral Area pyramid

Answer 36

sum of the areas of the congruent lateral faces

Question 37

Surface area pyramid

Answer 37

add the area of its base to its lateral area

Question 38

Cone

Answer 38

solid that has one base and a vertex

Question 39

Right cone

Answer 39

altitude is a perpendicular segment from the vertex to the center of the base

Question 40

Slant height

Answer 40

distance from the vertex to a point on the edge of the base

Question 41

Lateral are cone

Answer 41

half the circumference of the base times the slant height

Question 42

Volume

Answer 42

space that a figure occupies, measured in cubic units

Question 43

Composite space figure

Answer 43

three dimensional figure that is the combination of two or more simpler figures, add the volumes of the separate figures together

Question 44

Sphere

Answer 44

set of all points in space equidistant from a given point called the center

Question 45

Radius

Answer 45

Segment that has one endpoint at the center and the other endpoint on the plane

Question 46

Diameter

Answer 46

segment passing through the center with endpoints on the sphere

Question 47

Circumference

Answer 47

the circumference of a great circle

Question 48

Great circle

Answer 48

when a plane and a sphere intersect in more then one point through the center of the sphere, divides a sphere into two hemispheres

Question 49

Similar Solids

Answer 49

have the same shape, and all their corresponding dimensions are proportional

Question 50

SA of a sphere

Answer 50

4πr^2

Question 51

Volume of a Sphere

Answer 51

4/3πr^3