Calculate the Missing Angle: Given 20° in Parallel Lines with Transversal

Question

Angle 1 is 20 degrees.

Calculate the size of angle 2.

12

Video Solution

Solution Steps

00:00 Find angle 2
00:10 Vertical angles are equal
00:15 And this is the solution to the question

Step-by-Step Solution

Remember the definition of vertically opposite angles:

Vertically opposite angles are formed between two intersecting lines, and they actually have a common vertex and are opposite each other. Vertically opposite angles are equal in size.

Therefore:

1=2=20 1=2=20

Answer

20 20

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Related Subjects

Angles In Parallel Lines Collateral angles Adjacent angles Vertically Opposite Angles Alternate angles Corresponding angles

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