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Earn +20 ptsQ: What is the measure of the supplement of a 140 degree angle?
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What is the measure of an angle if twice the measure of its supplement is 30 more than fivr times the measure of complement?
Angle is x degrees. Then 2(180 - x) = 5(90 - x) + 30 360 - 2x = 450 - 5x + 30 3x = 120 x = 40 Check: supplement is 140, 2 x 140 = 280 complement is 50, 5 x 50 = 250 difference is 30 as required. QED
What is the measure of one angle of a regular nonagon?
140
What is the number of sides of a regular polygon if one angle measures 140 degrees?
Since the interior angle measure of the regular polygon is 140⁰, its exterior angle measure is 180⁰ - 140⁰ = 40⁰. Since the sum of the exterior angle measures is 360⁰, the polygon has 360⁰/40⁰ = 9 sides.
ACFH is a regular nonagon What is the measure of angle c?
140
What is the supplement of a 40 degree angle?
You would subtract 40 degrees from 180 degrees so it would look like this:180 degrees - 40 degrees = 140 degrees
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