Angles
Quadrilaterals
Geometry words
Other important geometric words
2D Figures
100
Another name for a 90 degree angle
What is a right angle
100
Has equal sides and 4 right angles
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
opposite sides are equal and four right angles
What is a rectangle?
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
two acute angles, two obtuse angles, two sets of equal sides
What is a parallelogram?
300
Units used to measure an angle
What is degrees?
300
Two lines that meet at a vertex is called an ____________.
What is an angle?
300
5 sides, 5 vertices, 5 angles
What is a pentagon?
400
A 45 degree angle
What is an acute angle?
400
All sides are equal 2 acute and 2 obtuse angles
What is a rhombus?
400
a closed shape with straight sides
polygon
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
one pair of equal sides, one pair of parallel sides, no right angles
What is a trapezoid?
500
Two figures that are exactly the same, but might be in different locations
congruent figures
500
When you can fold a shape in half so that the parts match exactly the fold is called...
What is a line of symmetry?
500
10 sides, 10 vertices, 10 angles
What is a decagon?
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