Angles
Area
Polygons
Triangles
Geometry Language
100
Two rays or line segments that share the same endpoint.
What is an angle?
100
This is the formula to find the Area of a square or rectangle.
A= length x width?
100
A flat 2-dimensional figue made of two or more sides.
What is a polygon?
100
A polygon with three sides.
What is a triangle?
100
A straight line that has two end points.
What is a line segment?
200
An angle that is exactly 90 degrees.
What is a right angle?
200
A rectangle has a length of 9 inches and a width of 4 inches.  This is the area of the figure.
What is 9 x 4 = 36 square feet
200
A polygon where all side lengths and angle measures are the same.
What is a square?
200
A triangle that has all equal sides.
What is an equilateral triangle?
200
A straight line that goes in one direction forever starting from an end point.
What is a ray?
300
An angle that is less than 90 degrees.
What is an acute angle?
300
A room is having flooring put in.  The room is shaped like a square.  The length of the sides are 5 yards.  This is the area of the floor.
What is 5 x 5 = 25 square yards?
300
Any polygon with four sides.
What is a quadrilateral/quadangle?
300
A triangle that has two equal sides.
What is an isosceles triangle?
300
A point where two lines meet.
What is a vertex?
400
An angle that is more than 90 degrees but less than 180.
What is an obtuse angle?
400
My basement is a rectangle.  The area is 63 square meters.  One side is 9 meters long.  I need to find the width.
What is 63 divided by 9 = 7 meters?
400
A four-sided figure with opposite sides parallel. Opposite angles are equal, too.
What is a rhombus?
400
A triangle with no equal sides.
What is a scalene triangle?
400
Two lines that cross or meet.
What are intersecting lines?
500
An angle that is exactly 180 degrees so that it forms a straight line.
What is a straight angle?
500
I have a rectangle wall with an area of 54 square feet.  The width is 6 feet, I need to find the length.
What is 54 divided by 6 = 9 square feet?
500
A polygon with two sets of parallel lines.
What is a parallelogram?
500
A triangle with a 90 degree angle.
What is a right triangle?
500
Two lines that stay the same distance apart and never meet
What are parallel lines?
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