90 degrees
What is a right angle?
Part of a line
What is a line segment?
What is a right triangle?
The distance from one side of a circle through the center to the other side of the circle
What is the diameter?
What is a polygon?
Fewer than 90 degrees.
What is an acute angle?
A line that passes through two other lines
What is a transversal?
A triangle that has three equal sides and angles
What is an equilateral triangle?
The distance from the center of the circle to any point on the edge of the circle
What is the radius?
Polygons that are the same shape and the same size are ______.
What is congruent?
More than 90 degrees
What is an obtuse angle?
A line that divides an angle into two angles with equal measures
What is a bisector?
A triangle that has two equal sides and two equal angles
What is an isosceles triangle?
The distance around the circle and its formula
What is circumference and 2(pi)r or (pi)d?
What is similar?
Angles that add up to 90 degrees.
What are complementary angles?
An angle that measures 180 degrees
What is a straight angle?
A triangle that has all sides and angles unequal
What is a scalene triangle?
The space inside a circle and its formula
What is area and (pi)r^2?
The ratio of the sides of a 45-45-90 right triangle
What is x:x:x(root 2)
Angles that add up to 180 degrees
What are supplementary angles?
When a line transverses (crosses) two or more lines at non-right angles, the obtuse angles are ______ and the acute angles are _______.
What are corresponding angles?
What are equal angles? is acceptable too.
The formula for finding a missing side of a right triangle
What is the Pythagorean theorem, or a^2 + b^2 = c^2
The sum of the measure of all interior angles of a circle
What is 360 degrees?
The ratio of the sides of a 30-60-90 right triangle
What is x : x(root 3) : 2x