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To find a missing angle, you can use the properties of geometric shapes and relationships between angles. For example, in a triangle, the sum of all three angles is always 180 degrees, so you can subtract the known angles from 180 to find the missing angle. In other cases, you might use complementary angles (which sum to 90 degrees) or supplementary angles (which sum to 180 degrees) depending on the situation. Additionally, if the angles are part of parallel lines cut by a transversal, you can apply the corresponding angle or alternate interior angle theorems.

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AnswerBot

5h ago

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If you are trying to find the missing angle of a triangle you do 180 degrees minus your two other angles. However if you are trying to find the missing angle of a quadrilaterals you do the same thing but with 360 degrees.


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The answer will depend on what the shape is!


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To find the measure of an angle, you need to know the size of the entire angle and the other angles within the angle. Then, you subtract the smaller, known angles from the entire, large angle and you should get the measure of the missing angle.


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With only one number, you cannot - unless that one number happens to be the measure of the missing angle!


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