Lines
Angles
Triangles
Quadrilaterals
Circles
100
two lines that are the same distance apart and will never touch
What is parallel lines
100
This is the term for a 90 degree angle
What is right angle
100
A triangle that has all sides the same length
What is equilateral
100
This is the number of sides on a quadrilateral
What is 4
100
A chord that intersects the center of the circle
what is a diameter
200
lines that intersect to form a right angle
What is perpendicular
200
An angle that is less than 90 degrees
What is acute
200
A triangle with two sides the same length
What is isosceles
200
this is the number of degrees all angles of a quadrilateral will add up to
What is 360 degrees
200
The formula for this is (2 x pi x r) or (d x pi)
What is what is circumference
300
this has one endpoint and continues in one direction forever
What is a ray
300
an angle that is greater than 90 degrees
What is obtuse
300
A triangle with one angle greater than 90 degrees
What is obtuse triangle
300
This is a quadrilateral with two pairs of opposite sides parallel and 4 right angles
What is rectangle
300
these are segments from the center of the circle to the edge. They are all equal.
What is a radius
400
This is part of a line
What is a line segment
400
this is the number of degrees in a straight angle
What is 180 degrees
400
A triangle with a 90 degree angle and no sides the same length
What is right, scalene
400
This is a quadrilateral with two pairs of opposite sides parallel and all sides the same length. (it does not have to have right angles)
What is a rhombus
400
The property that states opposite sides of this figure are supplementary
What is property of inscribed quadrilaterals
500
This is a closed figure with at least 3 sides.
What is a polygon
500
This is used to measure angles
What is a protractor
500
All angles in every triangle will add up to this number of degrees
What is 180 degrees
500
This is a quadrilateral with only one pair of opposite sides parallel
What is a trapezoid
500
This theorem states the diameter of a circle always creates a right angle when connected to any point on the circle.
Thales Theorem
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