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Cards In This Set
| Front | Back |
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What is a revolution?
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 360 degree angle.  |
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How are vertically opposite angles formed?
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 Where two lines intersect they form. |
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What is a vertex?
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 A corner. They can be shown using a dot. |
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What are perpendicular lines?
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 Lines that meet at 90 degrees.  |
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What is an adjacent angles?
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 Angles that are side by side and share a vertex and an arm. |
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Name all the different kinds of angles according to size in order from smallest to largest.
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Acute angle
Right angle Obtuse angle Straight angle Reflex angle Revolution angle |
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What are parallel lines?
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Lines which never meet.
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Name the difference between complementary angles and supplementary angles.
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 Complementary angles are angles which add to 90 degrees. Supplementary angles are angles which add to 180 degrees. |
 Identify angle 'a' and use an equation to represent this. |
 A=60 degrees |
 Name each kind of angle associated with parallel lines, and a trick to remember each one. |
Corresponding angles: look for an "F" shape. They are angles which are the same.
Alternate angles: look for a "Z" shape. They are angles which are the same. Co-interior angles: look for a "C" shape. They are angles which are different, and add to 180 degrees. |
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Can the shapes which show angles in parallel lines be backwards?
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Yes, they go both ways.
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What is a scalene triangle and how is it marked?
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 A scalene triangle is a triangle with 3 different angles and 3 different side lengths. It is marked using different lines on each side and different angle signs, which indicate varying angle size and line length. |
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What is an equilateral triangle and how is it marked?
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 An equilateral triangle is a triangle with all 3 sides and angles equal. It is marked using the same angle markings for each angle and the same singular line across each side. |
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What is an isosceles triangle and how is it marked?
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 An isosceles triangle is a triangle with 2 equal sides and 2 equal angles. It is marked using 2 of the same angle markings, and 1 different, and two of the same double line markings on the side, and one singular line marking across the uneven side. |
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How do you find an unknown exterior angle on a triangle?
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You add the two interior angles furthest away from the triangle.
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