Angle Bisector

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What is an angle bisector?

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An angle bisector is a line or ray that divides an angle into two equal parts.

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What is the relationship between the angles formed by two intersecting lines?

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The angles formed by two intersecting lines are called vertical angles, and they are equal.

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What are complementary angles?

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Complementary angles are two angles whose measures add up to 90 degrees.

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What are supplementary angles?

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Supplementary angles are two angles whose measures add up to 180 degrees.

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The sum of the measures of the angles in triangle ABC is 180 degrees.

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How do you find the measure of an angle when given its bisector?

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To find the measure of an angle when given its bisector, set the two resulting angles equal to each other and solve for the variable.

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