It is the circus costume the scarecrow wore in "Know All."
What is tightrope walker?
100
It has one endpoint, and the other end goes on forever.
What is a ray?
100
A regular figure with four angles of 90 degrees.
What is a square?
100
It is an angle less than 90 degrees and more than 0 degrees.
What is an acute angle?
100
It has three sides of equal length.
What is an equilateral triangle?
200
All the sides are of equal length. All the angles have the same measurement.
What is true of a regular polygon?
200
Two rays that share an endpoint.
What is an angle?
200
It is a pattern block that has two angles of 120 degrees and two angles of 60 degrees.
What is a rhombus? or What is a trapezoid?
200
An example of one is an angle of 100 degrees.
What is an obtuse angle?
200
It is a triangle with no equal sides.
What is a scalene triangle?
300
One equilateral triangle has sides of five inches. Another equilateral triangle has sides of seven inches.
What are similar triangles?
300
The place in a triangle where you put the middle of the protractor to measure an angle.
What is the vertex?
300
It is a rectangle with four equal sides.
What is a square?
300
The number of angles in a quadrilateral.
What is four?
300
It is also an isosceles triangle.
What is an equilateral triangle?
400
It is the city and country where Rifka stayed to be cured of ringworm.
What is Antwerp, Belgium?
400
The tiles in the floor are one. The panes in the window are another.
What is an example of a tessellation?
400
It is a pattern block with two angles of 150 degrees and two angles of 30 degrees.
What is the tan rhombus? or What is the parallelogram?
400
It is the angle made by two perpendicular lines.
What is a 90 degree, or right, angle?
400
It is the number of obtuse angles in an obtuse triangle.
What is one?
500
It is how you spell Esperanza's grandmother's name.
What is A-b-u-e-l-i-t-a?
500
The kind of angle formed by the hands of a clock when fifth grade goes to lunch.
What is an acute angle (if you are standing at the top of a clock)? or What is a reflex angle (if you are standing at the bottom of the clock)?
500
It is a parallelogram that does not have any right angles.
What is a rhombus?
500
It is an angle more than 180 degrees and less than 360 degrees.
What is a reflex angle?
500
It is a triangle with a 90 degree angle, a side of 5 inches, a side of 7 inches, and a side of 5 inches.
(Your question must have two triangle names in it.)