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What is the value of m < 3

What is the value of m < 3-example-1

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Answer:

142°

Explanation:

∠3 is an alternate exterior angle with ∠7, so is congruent to ∠7. ∠7 is supplementary to 38°, so has measure 180° -38° = 142°.

The measure of ∠3 is 142°.

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