Angles
Quadrilaterals
Prefixes
Shapes
Vocabulary
100
This angle always measures 90 degrees.
What is a right angle?
100
A closed shape with 4 sides.
What is a quadrilateral?
100
It means 5.
What is "penta?"
100
I am a quadrilateral and all of my sides are of equal length.
What is a square or rhombus?
100
When something is exactly equal in size and shape
What is congruent
200
This angle measures more than 90 degrees.
What is an obtuse angle?
200
This polygon has 4 right angles and 4 equal sides.
What is a square?
200
It means 6.
What is "hexa?"
200
I have three 60 degree angles.
What is an equilateral triangle?
200
What is vertex
This is where the two rays making up the angle meet.
300
This angle measures less than 90 degrees.
What is an acute angle?
300
This polygon has 4 right angles and 2 sets of parallel lines. All sides do not have to be the same length.
What is a rectangle?
300
This prefix means 8.
What is "octa?"
300
I have six sides.
What is a hexagon?
300
Next to; neighboring.
What is adjacent
400
These angles are formed when two lines cross and form one or more right angles.
What is perpendicular.
400
This polygon has exactly one pair of parallel lines.
What is a trapezoid?
400
This prefix means 3.
What is "tri?"
400
A closed shape with only eight sides eight equal angles.
What is a regular octagon?
400
A line segment connecting non-adjacent vertices of a polygon
What is diagonal.
500
A 30 degree angle and a 60 degree angle are this type of angle pair.
What is complementary angles?
500
This polygon has 2 sets of parallel lines and all sides equal? The answer is not "what is a square?".
What is a rhombus?
500
This prefix means 10.
What is "deca?"
500
I have three angles. Only one of them measures 90 degrees.
What is a right triangle?
500
Two angles that add up to 180°.
What is supplementary angles.
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