What is m Angle DCE?
Use the protractor tool to measure the angles in the diagram.
✔ 150160170180
acute✔ obtuserightstraight
✔ acuteobtuserightstraight
reflexive✔ adjacentobtuseacute
⇒ 25
109713
⇒ 65
109714
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Introduction to Proof
Measuring Length and Angles