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A figure is shown with parallel lines a and b. What is the measure, in degrees, of ∠r?

A figure is shown with parallel lines a and b What is the measure in degrees of r class=

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smokstika

Answer:

42 degrees

Step-by-step explanation:

48 and r are equal.

The box means right angle, or 90 degrees

180-90-48=42 degrees
180-(90+48)=42
You know the triangle is a right angle therefore it’ll be 90 degrees.
And the other angle will be 48 degrees because it’s an alternative angel (z angle)

42 is the answer

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