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### How to study your flashcards.

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### 20 Cards in this Set

• Front
• Back
 What is an equalateral triangle? a triangle with all sides are equal What is a scalene triangle? a triangle with no equal sides What is an isosoles triangle? a triangle with two equal sides What is a vertex a point where two sides meet What is an acute angle? an angle less than 90 degrees What is an obtuse angle? an angle that is more than 90 degrees but less that 180 degrees What is a right angle? an angle that is 90 degrees What is a reflex angle? an angle more than 180 degrees What is a straight angle? an angle that is 180 degrees exactly How many degrees are there in a circle? there are 360 degrees How many degrees are there in a half circle? there are 180 degrees in a half circle What are congruent angles? have the same angles in degrees What are parallel lines? lines that are always the same distance apart never touching What makes angles supplementary? if together they equal 180 degrees What makes complementary angles? if together they equal 90 degrees What is a shape with 3 sides called? triangle What is a shape with 4 sides called? quadralateral What is a shape with 5 sides called? pentagon What is a shape with 6 sides called? hexagon What is a shape with 8 sides called? octagon