Chapter 2 Sec 2 TB: page 55

1. Edgefield Secondary School
Sec 2 Express / Normal Academic Geography
Name: ___________________________ ( ) Class: S2_________ Date: ______________
Pie Charts (Textbook page 54-55)
The table below shows the number of times that different types of floods occurred in Edgefield
Town.
Types of flood that occurred in Edgefield Town in 2014
Type of flood Flash flood River flood Coastal flood Total
Frequency 6 times 7 times 5 times 18 times
Percentage
Angle ( ˚ )
(a) Construct a pie chart to represent proportion of the three types of flood that
occurred in 2014.
Step 1: Calculate the angle of each sector for each type of flood.
Step 2: Arrange the sectors from largest to smallest.
Step 3: Draw the largest sector starting at the 12 o’clock point in a clockwise direction.
Step 4: Label each sector with the type of flood and the proportion of its occurrence.
Step 5: Provide a title for the pie chart.
Title: __________________________________________________________