Angles in Parallel Lines
Investigation
For each Activity, move the points around so that the size of the angles changes. [br]The line AB is parallel to the line CD in each Activity.[br]The line EF is the transversal.[br]Answer the questions for each activity.
Activity 1
Question 1a
In your own words, and using the language provided in the lesson for the angle pairs (i.e, alternate, corresponding or co-interior), write down your observations.
Question 1b
For the diagram below, find the value of the missing angle. You do not need to add units.
Activity 2
Question 2a
In your own words, and using the language provided in the lesson for the[br] angle pairs (i.e, alternate, corresponding or co-interior), write down [br]your observations.
Question 2b
For the diagram below, find the value of the missing angle. You do not need to add units.
Activity 3
Question 3a
In your own words, and using the language provided in the lesson for the[br] angle pairs (i.e, alternate, corresponding or co-interior), write down [br]your observations. You can ask your teacher for a hint :)
Question 3b
For the diagram below, find the value of the missing angle. You do not need to add units.
Activity 4
Question 4
Move any of the points A, B, C, or D so that the lines AB and CD are parallel. [br]When you think you have done this, justify below how you can be sure AB is parallel to CD?
Activity 5
Question 5
Move any of the points A, B, C, or D so that the lines AB and CD are parallel. [br]When you think you have done this, justify below how you can be sure AB is parallel to CD?
Activity 6
Question 6
Move any of the points A, B, C, or D so that the lines AB and CD are parallel. [br]When you think you have done this, justify below how you can be sure AB is parallel to CD?
Question 7
Using your experience in the activities or questions above (or maybe even using some other angle facts), find the missing values from the diagram below. Give your answer as:[br]a=___, b=___, c=___, d=___
Question 8
Which of the diagrams below shows parallel lines?
(Haese)
