Angles, Points, Lines

An angle that forms a square corner is called 

• a right angle

• an acute angle

• an obtuse angle

• a straight angle

• parallel lines

• perpendicular lines

• a parallelogram

• a ray

Lines that never meet are called

• parallel lines

• perpendicular lines

• intersecting lines

• a ray

Identify the type of angle shown....

• Acute

• Obtuse

• Reflex

• Right Angle

What type of angle is exactly 90 degrees ?

• right

• acute 

• straight

• obtuse

What type of angle is greater than 90 degrees (91-179)?

• acute

• right

• obtuse

• straight

∠STU is formed by Lines ______ and ______.

• S, T

• T, U

• SU, TU

• ST, UT

∠STU is formed by Line segment ______ and ______.

• S, T

• T, U

• SU, TU

• ST, UT

Identify the type of angle shown....

• Acute

• Obtuse

• Reflex

• Right Angle

Q1. What type of lines are these?

• A) parallel lines

• B) perpendicular lines

• C) intersecting lines

• D) a ray