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10-06-2021
Mathematics

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Find m∠DEC.
On the image below

Find mDEC On the image below class=

Respuesta :

bushranaeem8h bushranaeem8h

10-06-2021

Answer:

Ans = mm∠DEC = 95

Step-by-step explanation:

m∠C = 140 + ∠C = 180 ( adjacent angles)

∠C = 140 - 180

∠C = 40

∠E = 45 + 40 + ∠E = 180 ( angle sum property

Of interior angles)

∠E = 85 + ∠E = 180

∠E = 180 - 85

∠E = 95

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