Angles, Lines and Triangles

What geometric term describes two lines that remain the same distance apart and extend in opposite directions?

• intersecting lines
• parallel lines
• perpendicular lines
• cross cross lines

What is a vertex? 

• It is a point.
• It is not a side.
• It is a corner or a point where lines meet.
• It is where the lines are parallel to each other. 

What are perpendicular lines?

• Lines that never intersect
• lines that pass through the same point
• Lines that form square corners
• Lines that curve on an angle

What is a line segment?

• Part of a line with 2 endpoints
• Part of a line that has 1 endpoint
• Part of a line with 0 endpoints
• Part of a line with 5 endpoints

What is a ray?

• Part of a line with 2 endpoints
• Part of a line with 1 end point and goes on forever 
• Part of a line with 0 endpoints
• Part of a line with 5 endpoints

What is a line?

• a straight path of points that goes on and on in two directions
• an endless flat surface
• an exact location in space
• lines that never intersect

What is the name of two lines that cross?

• intersecting lines
• parallel lines
• point
• line segment

What type of triangle is this?

• Equilateral
• Isosceles
• Scalene
• Obtuse

How many acute angles must an acute triangle have?

• 2
• 1
• 4
• 3

What type of triangle is this?

• scalene
• acute
• equilateral
• isosceles