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What equation will give the angle measure of the section for black?

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What equation will give the angle measure of the section for black?

Jesse collected data on the colors of the coats his classmates wore one day in February. He started a circle graph. Which equation will give the angle measure of the section for black?
m∠b = 360° − (m∠w + m∠r)
m∠b = m∠w + m∠r
m∠b = (m∠w + m∠r) + 2
m∠b = 360° + (m∠w + m∠r)




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    2 Answers

    1. Quizzma Team

      The correct equation to find the angle measure of the section for black is:

      m∠b = 360° − (m∠w + m∠r)

      ### Explanation:

      In a circle graph (or pie chart), the total angle of the circle is 360°. The angles for the other colors (represented by m∠w and m∠r) need to be subtracted from 360° to find the angle for black (m∠b). This means you are calculating how much of the circle is left after accounting for the other colors. Keep it up! If you have more questions or need more help, don’t hesitate to check out the extended services page!

    3. Quizzma Team

      The correct equation to find the angle measure of the section for black (m∠b) in a circle graph is:

      m∠b = 360° − (m∠w + m∠r)

      ### Explanation:

      In a circle graph, the total degrees of the circle is 360°. To find the angle for the section representing black coats, you subtract the angles of the other sections (in this case, m∠w for one color and m∠r for another) from the total. Thus, you get the size of the angle for black by taking away the sum of the angles for the other colors.

      Keep up the great work with your studies! If you have more questions, feel free to ask!

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