Angles
Quadrilaterals
Geometry words
Other important geometric words
2D Figures
100

ninety degree angle

What is a Right angle

100

4 equal side lengths, 4 right angles, and diagonals meets at 90 degrees

What is a square

100
A corner
What is a vertex?
100
Same shape, same size
What is a congruent figure?
100
3 sides, 3 vertices, 3 angles
What is a triangle?
200
Less than 90 degrees
What is acute angles
200
1 pair of parallel sides 2 obtuse and 2 acute angles
What is a trapezoid?
200
4 sides, 4 vertices, 4 angles
What is a quadrilateral?
200
The parts of a 2D shape that closes the figure
What is a side?
200
8 sides, 8 vertices, 8 angles
What is an octagon?
300
165 degree angle
What is an obtuse angle?
300
2 pairs of equal adjacent sides 2 acute and 2 obtuse angles
What is a kite?
300
Units used to measure an angle
What is degrees?
300

Two lines that meet at the vertex is called an ____________.

What is an angle?

300
9 sides, 9 vertices, 9 angles
What is a nonagon?
400
An angle greater than 180 degrees.
What is a reflex angle?
400
All sides are equal 2 acute and 2 obtuse angles
What is a rhombus?
400
Two sides that share the same vertex
What is adjacent?
400
A figure with sides, vertices, and angles?
What is 2D shapes?
400
7 sides, 7 vertices, 7 angles
What is a heptagon?
500
180 degree angle
What is a straight angle?
500
Opposite sides are equal 2 acute and 2 obtuse angles 2 pairs of parallel sides
What is a parallelogram?
500
A closed figure with 3 or more sides
What is a polygon?
500
Two lines that meet at a vertex create an ____________.
What is an angle?
500
10 sides, 10 vertices, 10 angles
What is a decagon?
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