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How do i get this extra mark?

How do i get this extra mark?-example-1
User Roro
by
3.1k points

1 Answer

8 votes

Answer:

See below.

Explanation:

When the two lines are parallel Corresponding Angles are equal.

Angles that are on the same corner of each intersection are Corresponding angles.

Angles in a triangle add up to 180

Hope this helps

User Baldrs
by
4.0k points