Angles and pie charts

Front

What is an angle?

Back

An angle is formed by two rays (sides) that share a common endpoint (vertex). It is measured in degrees.

Front

What is a pie chart?

Back

A pie chart is a circular statistical graphic that is divided into slices to illustrate numerical proportions.

Front

What is the total angle in a pie chart?

Back

360°.

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

Front

What does an angle of 180° represent in a pie chart?

Back

It represents 50% of the total pie chart.

Front

How do you calculate the angle for a specific percentage in a pie chart?

Back

Multiply the percentage by 360° and divide by 100.

Front

If 22% of a pie chart is represented, what is the angle?

Back

22/100 * 360 = 79.2°.

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

Front

What percentage does a 90° angle represent in a pie chart?

Back

25%.

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

Front

What is the formula to find the percentage represented by an angle in a pie chart?

Back

(Angle / 360) * 100.

Front

If a pie chart has 4 sections, how do you find the angle for each section?

Back

Divide 360° by the number of sections.

Front

What is the relationship between angles and percentages in a pie chart?

Back

The angle of each section corresponds to the percentage of the total represented by that section.