Polygons
Circles
Triangles
Angles
Miscellaneous
100
A six sided figure.
hexagon
100
What is the exact middle of a circle called?
the center
100
What triangle has 3 equal sides?
equilateral triangle
100
How many lines form an angle?
2
100
What word means that the things are the same size AND shape?
congruent
200
A 3 sided figure.
triangle
200
What is a line that crossed through the center of a circle called?
a diameter
200
What triangle has 2 sides that are the same length?
isosceles triangle
200
What is an angle called that measures 90 degrees?
a right angle
200
How many degrees have you traveled if you start and finish at the same spot?
360 degrees
300
A 4 sided figure.
quadrilateral
300
What is a line called that starts in the center of a circle and goes to the outside?
the radius
300
What triangle has 3 sides that are all different lengths?
scalene triangle
300
What is an angle called that measures more than 90 degrees?
an obtuse angle
300
True or False? The number of sides on a polygon will ALWAYS equal the number of angles in the polygon.
true
400
What is an 8 sided polygon called?
an octagon
400
What is a line in a circle that touches the sides, but does not go through the center?
a chord
400
What triangle has a right angle in it?
a right triangle
400
What is an angle called that measures 180 degrees?
a straight angle
400
What is a square cut into 7 pieces and thousands of different designs can be made from them?
a tangram
500
What is a 9 sided polygon called?
a nonagon
500
When the outside of a circle is measured, you say that you are measuring the ________ of the circle.
circumference
500
What do all the angles have to add up to in the inside of a triangle?
180 degrees
500
What is used to measure angles?
a protractor
500
Polygons whose sides are all the same length are called _____ polygons.
regular
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