A sporting goods store in Hampton records its yearly revenue in each category of goods. 25% of revenue came from sales of rock climbing equipment. If this information is displayed in a circle graph, what is the measure of the central angle in the "Rock climbing" section?°
Question
A sporting goods store in Hampton records its yearly revenue in each category of goods. 25% of revenue came from sales of rock climbing equipment. If this information is displayed in a circle graph, what is the measure of the central angle in the "Rock climbing" section?°
Solution
A circle graph, also known as a pie chart, represents the whole as 360 degrees. To find the measure of the central angle for the "Rock Climbing" section, you need to calculate 25% of 360 degrees.
Step 1: Convert the percentage to a decimal. 25% becomes 0.25. Step 2: Multiply the total degrees in a circle (360) by the decimal.
So, 0.25 * 360 = 90 degrees.
Therefore, the measure of the central angle in the "Rock climbing" section is 90 degrees.
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