Pie chart: find the missing angle x

An example figure from the Pie Chart Generator.

A black-and-white pie chart of Red, 110°, Blue, 80°, Green, 100°, and Yellow, x° — A black-and-white pie chart of four sectors, each labeled with its name and angle: Red 110°, Blue 80°, Green 100° and Yellow x°, with a dot at the center. Students find x from the angles around a point adding up to 360°.

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Answer key

x = 70°

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