Quarter 4

In Quarter 4, I learned about Percents, Ratio and Rates in math. Percents can turn to decimal and fraction. Percents always use in the life, likes Annual Interest Rate, Circle Graph.
Example:

Circle Graph

Definition of Circle Graph

• A circle graph is a graph in the form of a circle that is divided into sectors, with each sector representing a part of a set of data.

Examples of Circle Graph

• In the example shown below, the circle graph shows the percentages of people who like different fruits. Each sector in the circle graph represents the percentage of people liking the respective fruit.

                                                         

Solved Example on Circle Graph

Find out the angle covered by A, B, and C in the circle graph.

Choices:             

A. 306°

B. 162°

C. 36°

D. 108°

Correct Answer: A

Solution:

Step 1: Angle covered by A, B, and C is 108° + 162° + 36° = 306°.