Answer
To create a pie graph from the ice cream flavor percentages:
1. **Identify Percentages**: Note the percentage for each flavor from the table.
2. **Convert to Degrees**: Multiply each percentage by 3.6 to get the degree measure (since 360° ÷ 100 = 3.6).
3. **Draw the Circle**: Use a compass to draw a circle and mark the center.
4. **Mark Starting Point**: Draw a starting radius.
5. **Measure and Draw Sectors**: Use a protractor to measure and draw each sector based on the degree calculations.
6. **Label**: Label each sector with the flavor name and its percentage.
This visual representation clearly shows the proportion of learners who like each ice cream flavor.
Solution
Here’s how you can construct the pie graph step by step using the percentage data from the table:
1. Identify the percentages for each flavor from the table. (For example, if the flavors were Vanilla 30%, Chocolate 40%, Strawberry 20%, and Mint 10%, these are your data values.)
2. Convert each percentage into the corresponding degree measure. Because a circle is 360°, calculate the degree for each flavor using:
Degrees = (Percentage ÷ 100) × 360
For example:
• Vanilla: (30/100) × 360 = 108°
• Chocolate: (40/100) × 360 = 144°
• Strawberry: (20/100) × 360 = 72°
• Mint: (10/100) × 360 = 36°
3. Draw a circle using a compass. Mark the center of the circle.
4. Use a protractor to draw the first radius (or starting line) from the center to the circumference.
5. From the starting line, measure the first sector’s central angle on the circle (using the degree measure calculated in step 2). Mark the point on the circle where this angle ends with the protractor’s help.
6. Draw a line from the center to this new point, forming the first sector.
7. Repeat steps 5 and 6 for each remaining flavor, ensuring that each sector's angle corresponds to its calculated degree. Continue until the circle is completely divided into sectors that add up to 360°.
8. Label each sector with the flavor name and its percentage (or degree measurement) for clarity.
This pie graph visually represents the data, showing exactly what fraction of the learners prefers each ice cream flavor.
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