Circles and Pi

Presentation

•

Mathematics

•

9th - 12th Grade

•

Hard

James Gonzalez

FREE Resource

15 Slides • 8 Questions

Multiple Choice

What is the mathematical definition of a circle?

A circle is a polygon with three sides.

A circle is the set of all points in a plane that are equidistant from a fixed point (the center).

A circle is defined by its diameter only.

A circle is the area enclosed by a straight line.

Labelling

Label the parts of this circle.

Drag labels to their correct position on the image

Diameter

Chord

Center

Radius

Drag and Drop

The

is double the length of the

Drag these tiles and drop them in the correct blank above

diameter

radius

chord

Drag and Drop

The

is the longest possible

in a circle.

Drag these tiles and drop them in the correct blank above

diameter

chord

radius

Multiple Choice

What is the circumference of a circle?

the area inside the circle

the distance around the edge of the circle, similar to how you measure the perimeter of a square or rectangle

the straight line that connects two points on the circle’s edge, passing through the center

Multiple Choice

Pi (π) is a letter from what alphabet?

Latin

Cyrillic

Arabic

Greek

Multiple Select

What is pi (π)?

The ratio of a circle's circumference to its diameter

Very tasty

The circumference of a circle

Approximately 3.14

Multiple Choice

Why are we learning about π in this chapter about circles?

It is crucial for calculating the circumference and area of circles.

π is irrelevant to the study of circles.

We learn about π to understand the history of mathematics.

π is only used in geometry for triangles.

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