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Find the measure of angle r

Find the measure of angle r-example-1
User Mehere
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1 Answer

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Answer 121°

Explanation:

All triangles have an interior angle sum of 180.

From this you can subtract 103 and 18 to get 59.

The line that r is connected to is 180° (hence being a line)

This means you can subtract 59 from 180 to get 121°

User Khelwood
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6.3k points