Angles
Triangles
Parallel and perpendicular
Lines and segments
Mystery
100
The angle that is exactly 180 degrees
What is a straight angle?
100
A triangle with 3 equal sides
Equivalent Triangle
100
These lines will never cross
What are parallel lines?
100
An exact location in space
What is a point?
100
True or false: All parallel lines are intersecting lines.
What is false. Parallel lines never intersect.
200
The angle that is between 1 degree and 89 degrees
What is an acute angle?
200
A triangle that has 0 equal sides
Scalene Triangle
200
These lines will alway cross in many angles
What are intersecting lines?
200
A straight path of points that continues without end in both directions
What is a line?
200
True or false: All triangles have acute angles.
What is true? Acute triangles have 3 acute angles. Right and obtuse triangles have 2 acute angles.
300
The angle that is exactly 90 degrees
What is a right angle?
300
A triangle with 2 equal sides
Isosceles Triangles
300
These lines will always cross at a 90 degree angle
What are perpendicular lines?
300
A part of a line that has one endpoint and continues without end in one direction
What is a ray?
300
This is Mrs. Nichols' spirit super hero.
Who is Wonder Woman? We all know Mrs. Nichols is Wonder Woman!
400
The angle that is greater than 91 degrees, but less than 179 degrees
What is an obtuse angle?
400
What kind of triangle is this ?
Isosceles Triangle
400
True or false: All perpendicular lines are intersecting lines?
What is true?
400
A part of a line between 2 endpoints
What is a line segment?
400
True or false: a stop sign hhas both parallel and intersecting line segments.
What is true?
500
True or false? An angle is formed by only two rays that have the same endpoint.
What is false? An angle can also be formed by line segments that have the same endpoint.
500
Name this triangle:
Scalene Triangle
500
True or false: All intersecting lines are perpendicular lines?
What is false?
500
This is formed by two rays or line segments that have the same endpoint
What is an angle?
500
Name this triangle:
Equilateral