Vocabulary
What is another name for a 90 degree angle?
What is a Right Angle?
99 x 9
What is 891?
This type of angle measures LESS THAN 90 degrees.
What is an acute angle?
A parallelogram with equal sides.
Answers Vary
A line the has an endpoint on one side, and goes on forever in the other direction.
What is a ray?
12 x 16
What is 192?
This type of angle measures GREATER THAN 90 degrees.
What is an obtuse angle?
How many sets of parallel lines does a trapezoid have?
One.
How many lines of symmetry does a heart have?
One
What are lines that never intersect called?
What are parallel lines?
34 x 22
What is 748?
This angle measures exactly 180 degrees.
What is a straight angle?
How many pairs of parallel lines does a parallelogram have?
TWO
Two lines that intersect to form a right angle.
What are perpendicular lines?
188 x 6
What is 1,128?
How many degrees are missing for letter x?
What is 53 degrees?
What type of triangle is #Z on the board?
Draw perpendicular lines with points AB and CD.
Varies
A line that has a beginning and an end point.
What is a line segment?
98 x 64
What is 6,272?
How many degrees are in a full circle?
What is 360 degrees?
Less than 90 degrees
Which lines are parallel? Look at the board at #4.
Points AB and XY.