Angles
Part of a line that has one endpoint and extends in one direction without ending is called what?
What is ray?
What is an endless straight path called?
What is line?
Area equals base times height.
What is the area of a parallelogram?
If an angle is exactly 90 degrees ... it is called what?
What is a right angle?
True or False - perpendicular lines form 90 degree angles?
What is True?
An angle that has a sum of 180 degrees.
What is a supplementary angle?
Two angles are vertical angles when their sides form two pairs of opposite rays.
What are vertical angles?
Angle that measure between 0 and 90 degrees.
What is an acute angle?
A tool used to measure angles is called what?
What is a protractor?
Adding the sides of a figure
What is perimeter?
A figure that is formed by two rays with a common endpoint is called what?
What is an angle?
Parallel lines and intersecting line both create acute angles. True or False
What is False?
If two lines create four right angles ... these lines are called what?
What is perpendicular?
Area is equal to base times height divided by two.
What is the area of a triangle?
An obtuse angle measures between _____ degrees and ____ degrees.
What is 91 degrees and 179 degrees?
A ray has two end points and extends out in only one direction. True or False
What is False?
Angles have a sum of 90 degrees.
What is a complementary angle?
What is base one plus base two times the height divided by two?
What is the formula of a trapezoid?