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Names of Polygons
Types of Angles
Classifying Triangles and Quadrilateral
100
This polygon has 4 sides and 4 vertices (ex. trapezoid, rhombus....)
What is a quadrilateral?
100
This type of angle forms a square corner.
What is a right angle?
100
A triangle that has 3 equal sides
What is an equilateral?
200
This polygon has 5 sides and 5 vertices
What is a pentagon?
200
This angle is less than a right angle.
What is an acute angle?
200
Name the type of triangle. 12 inches, 9 inches, 9 inches.
What is an isosceles triangle?
300
This polygon has 6 sides and 6 vertices
What is a hexagon?
300
If you look at the corner of the door, what type of angle does it form?
What is a right angle?
300
Name the type of triangle. 3 cm, 4 cm, 5 cm
What is a scalene triangle?
400
This polygon has 8 sides and 8 vertices
What is an octagon?
400
This angle is greater than a right angle but less than a straight angle.
What is an obtuse angle?
400
This type of quadrilateral has exactly 1 pair of parallel sides. Its length of sides and sizes of angles may not be the same
What is a trapezoid?
500
This polygon has 10 sides and 10 vertices
What is a decagon?
500
This angle is formed by two rays pointing in opposite directions and form a line.
What is a straight angle?
500
A special type of rectangle. This quadrilateral has 4 equal sides, 4 right angles, and 2 pairs of parallel sides.
What is a square?