Classifying Angles
Parallel Lines
Triangles
Quadrilaterals
Other Polygons
100
Any angle that measures less than 90 degrees.
What is an acute angle?
100
Definition of a transversal.
What is a line that intersects two parallel lines?
100
The three categories of triangles using angles.
What are acute triangle, right triangle, and obtuse triangle?
100
A figure with 4 sides and 4 angles.
What is a quadrilateral?
100
Definition of a polygon.
What is a simple, closed figure formed by three or more straight lines?
200
Any angle that measures exactly 90 degrees.
What is a right angle?
200
Angles that are on opposite sides of the transversal and inside the parallel lines.
What are alternate interior angles?
200
The three classifications of triangles using sides.
What are scalene triangle, isosceles triangle, and equilateral triangle?
200
The constant total sum of all the angles in a quadrilateral.
What is 360?
200
A polygon that has all sides and angles congruent.
What is a regular polygon?
300
An obtuse angle.
What is any angle that measures greater than 90 degrees?
300
Angles that are on opposite sides of the transversal and outside the parallel lines.
What are alternate exterior angles?
300
The constant total sum of all the angles in a triangle.
What is 180 degrees?
300
A quadrilateral with only one pair of parallel sides.
What is a trapezoid?
300
A polygon with 9 sides.
What is a nonagon?
400
A straight angle.
What is any angle that measures exactly 180 degrees?
400
Angles that are in the same position on the parallel lines in relation to the transversal.
What are corresponding angles?
400
The measure of the third angle when the other two equal 52 and 46.
What is 82?
400
The value of the 4th angle if the other angles measure 45, 92, and 107 degrees.
What is 116 degrees?
400
The sum of the measures of the angles of a 27-gon.
What is 4500 degrees?
500
The difference between complementary angles and supplementary angles.
What are two or more angles that add up to 90 (complementary) compared to two or more angles that add up to 180 (supplementary)?
500
If two parallel lines are cut by a transversal, then each pair of _________ ________, _________ ________, and _____________ angles are congruent.
What are alternate interior, alternate exterior, and corresponding angles?
500
The formula for finding the sum of the measures of the interior angles of a polygon.
What is 180(n - 2) where n is the number of sides?
500
The formula for the measure of an interior angle of a regular polygon.
What is [180(n-2)]/n where n represents the number of sides.
500
True or false, a circle is a polygon.
What is false?
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