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Which statements about angles are true? Check all that apply. Supplementary angles have angle measures that add up to 180°. There are three types of angles: acute, straight, and right. Angles that are a linear pair have measures that add up to 180°. Straight lines are also straight angles that measure 180°. Complementary angles have angle measures that add up to 90°.

Question

Which statements about angles are true? Check all that apply. Supplementary angles have angle measures that add up to 180°. There are three types of angles: acute, straight, and right. Angles that are a linear pair have measures that add up to 180°. Straight lines are also straight angles that measure 180°. Complementary angles have angle measures that add up to 90°.

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Solution

The following statements about angles are true:

  1. Supplementary angles have angle measures that add up to 180°. This is true because by definition, supplementary angles are two angles whose measures add up to 180 degrees.

  2. There are three types of angles: acute, straight, and right. This is not entirely true. There are actually more types of angles. These include acute, right, obtuse, straight, reflex, and full rotation.

  3. Angles that are a linear pair have measures that add up to 180°. This is true. A linear pair is a pair of adjacent angles formed when two lines intersect. The sum of angles of a linear pair is always 180 degrees.

  4. Straight lines are also straight angles that measure 180°. This is true. A straight angle is an angle of 180 degrees and it forms a straight line.

  5. Complementary angles have angle measures that add up to 90°. This is true. Complementary angles are two angles whose measures add up to 90 degrees.

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Similar Questions

Which one of the following statements regarding angles around two lines and a transversal are not true?Select one:a.When two lines are not parallel then the measures of two corresponding angles will not be equal.b.If the measures of two alternate interior angles are equal then the two lines must be parallel.c.Two interior angles on the same side of a transversal will be supplementary, whether the lines are parallel or not.d.Of two lines are parallel then the measures of any two alternate interior angles will be equal.

Which one of the following statements is not false?If two angles forms a linear pair, then each of these angles is of measure 90°.Angles forming a linear pair can both be acute angles.One of the angles forming a linear pair can be obtuse angle.Bisectors of the adjacent angles form a right angle.

Which of the following statement is CORRECT when parallel lines are cut by a transversal? A. The angles in linear pair are supplementary B. The sum of the degree measure of complementary angles is 180 C. Corresponding angles are congruent D. The sum of the degree measure of corresponding angles is 180

True or False - Two angles can be Vertical and Complementary

When two parallel lines are cut by a transversal, interior angles are supplementary.

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