Calculate Alpha (α) in Parallel Lines: Using the 70° Angle Relationship

Name: Video Solution: Calculate Alpha (α) in Parallel Lines: Using the 70° Angle Relationship
Description: Step-by-step video solution

The lines shown below are parallel.

Calculate the size of angle $\alpha$ and indicate the relationship between the two angles.

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00:00 Find angle A

00:04 Lines are parallel according to the given data

00:13 Corresponding angles between parallel lines sum to 180

00:20 Let's isolate angle A

00:29 And this is the solution to the question

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The lines shown below are parallel.

Calculate the size of angle $\alpha$ and indicate the relationship between the two angles.

110, co-interior angles.

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If one of two corresponding angles is a right angle, then the other angle will also be a right angle.

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