Lines and Angles
Triangles
Quadrilaterals
Circles
Potpourri
100
It measures more than 0 degrees and less than 90 degrees.
What is an acute angle?
100
All three sides are equal and three angles are equal also.
What is an equilateral triangle?
100
All four sides are equal in length and all angles are 90 degrees.
What is a square?
100
This is the perimeter of a circle.
What is circumference?
100
Two angles that added together add up to 90 degrees.
What are complementary angles?
200
It measures between 90 and 180 degrees.
What is an obtuse angle?
200
It has two equal sides and two equal angles.
What is an isosceles triangle?
200
It has all 90 degree angles and opposite sides are equal and parallel.
What is a rectangle?
200
This line segment passes through the center of a circle.
What is the diameter?
200
This is the measurement around any figure.
What is perimeter?
300
It measures exactly 90 degrees.
What is a right angle?
300
It has no equal sides or angles.
What is a scalene triangle?
300
Its opposite sides are equal and parallel, but the angles are not 90 degrees.
What is a parallelogram?
300
This is the irrational number that is often used with any circle measurements.
What is pi?
300
The formula one half times base times height is used for this measurement.
What is the area of a triangle?
400
These lines run in the same direction and never touch.
What are parallel lines?
400
It states that the squares of the two legs added together equals the length of the third long side.
What is the Pythagorean Theorem?
400
It has only one pair of sides that are parallel.
What is a trapezoid?
400
The formula for this measurement is pi times r squared.
What is the area?
400
This word means "to measure the earth".
What is geometry?
500
These lines intersect at 90 degrees.
What are perpendicular lines.
500
In the Pythagorean Theorem, it is the name of "c".
What is the hypotenuse?
500
All sides are equal but the angles are not 90 degrees.
What is a rhombus?
500
This is half the diameter.
What is radius?
500
This is the special tool used to measure angles.
What is a protractor?
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