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Interior Angles of Polygons
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What is the measure of one interior angle of a regular quadrilateral?
90 degrees
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What is the measure of one interior angle of a regular triangle?
60 degrees
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What is the sum of the angle measures in a 15-gon?
2,340 degrees
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What is the measure of one interior angle of a regular 14-gon? (Round to the nearest 10th if necessary)
154.3 degrees
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What is the measure of angle w?
135 degrees
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What is the measure of one interior angle of a regular decagon?
144 degrees
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A right triangle has one angle that measures 60°. What is the measure of the other acute angle?
30 degrees
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One angle of an isosceles triangle measures 120°. What measures are possible for the other two angles?
30 degrees
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What is the measure of one interior angle of a regular hexagon?
120 degrees
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What is the measure of the missing angle?
31 degrees
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What is the measure of the missing angle?
69 degrees
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What is the measure of angle d?
130 degrees
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What is the measure of the missing angle?
47 degrees
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One angle of an isosceles triangle measures 100°. What measures are possible for the other two angles?
40 degrees
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What is the measure of angle m?
150 degrees
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A right triangle has one angle that measures 75°. What is the measure of the other acute angle?
15 degrees
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What is the measure of the missing angle?
57 degrees
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What is the sum of the angle measures in this shape?
720 degrees
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What is the 'rule' for finding the total measure of interior angles of any shape?
Number of sides - 2 then x 180
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What is the sum of the angle measures in a triangle?
180 degrees
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What is the sum of the angle measures in this shape?
1,080 degrees
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