Unit 1 & 2: Unit Analysis and Surface Area and Volume

exact form

not rounded decimal. answer is expressed with a pi symbol, as a fraction or radical

referent

any object that is used to estimate the size an item. typically not a measuring device

dimension

a measurement (length, width, height)

oblique

slanting

Area

the space inside a 2D object

Surface area

the space on the surface of a 3D object

Volume

The space inside a 3D object

Area of circle

pir²

Area of a rectangle

length x width

Area of a triangle

b x h / 2

Circumference of circle

pi x diameter pi x 2r

lateral area

area of the non-base faces of a figure

Lateral Surface Area

Total surface area EXCLUDING BASES

What is the net of a cube?

What is the net of a rectangular prism?

What is the net of a cylinder?

What is the net of a cone?

What is the net of a right pyramid?

What does the large B in volume formulas mean

Area of the base

what does the h in volume formulas mean?

Perpendicular height

What is the formula for scale factor?

size of the diagram/ size of the original

What is a meter known as?

a basic unit

Imperial units from largest to smallest?

mile, yard, foot, inch

When do you use the perpendicular height?

When finding the volume or a right pyramid

When do use the slant height?

When finding the surface area

What is a triangular based right prism?

A 3D shape with two parallel and congruent triangular bases connected by three rectangular faces