Geometry Flashcards

1
Q

Define:

Circumference

Diameter

Radius

Relationship of Radius to Diameter

A

Circumference: Distance around it

Diameter: Straight Line that passes through the center of the circle

Radius: Straight Line from the middle of the circle to the edge.

Radius is half the Diameter

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2
Q

Formula to calculate area of a circle

A

Area =π R²

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3
Q

Volume of a cylinder

A

Base times height

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4
Q

A cylinder with the Radius of 4 in and the height of 6 in has the volume of what?

Describe the process

A

Volume = Base × Height

Base = π R²

301.44 in³

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5
Q

How to find volume of a rectangular prism

A

L × W × H

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6
Q

Volume of a rectangular prism dimensions 4ft × 5ft× 6ft

A

120 ft³

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7
Q

Circumference formula

A

Circumference = π × Diameter

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8
Q

Circumference & Area of a Circle with a 8m Radius.

A

C = 50.24 m

A = 200.96 m²

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9
Q

True or False

Area is always a 2-dimensional quantity?

Give an example of how we write an Area quantity.

A

True

16m²

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10
Q

Circle with 24 in Diameter

Area?

Circumference?

A

Area: 452.16 in²

Circumference: 75.36

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11
Q

Difference between perimeter and area

How to calculate

A

Perimeter is the Lines that make up the boundary.

Area is the space inside the Perimeter

Perimeter = Sides Added together

Rectangul area = Length × Width ( Units Squared )

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12
Q

How to find the Length or Width of a rectangle when only the Area and 1 of the measurements are given

A

Area ÷ length Or width

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