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Help please correct answers only please

Help please correct answers only please-example-1

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Answer:

? = 95°

Explanation:

the exterior angle of a triangle is equal to the sum of the two opposite interior angles.

∠ DCT is an exterior angle of Δ CDE , then

∠ DEC + ∠ CDE = ∠ DCT ( substitute values )

? + 45° = 140° ( subtract 45° from both sides )

? = 95°

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