Eric has made great progress in rehabilitating his knee with his physical therapist. The therapist measures the angle of Eric's fully bent knee as 45o. This angle is represented by ∠BCD in the diagram.

Eric has made great progress in rehabilitating his knee with his physical therapist. The therapist measures the angle of Eric's fully bent knee as 45o. This angle is represented by ∠BCD in the diagram. Eric then extends his leg until it is completely straight, 180°. What is the full range of motion of Eric's knee, m∠ACD?

Help? Please, i been stuck on this nonsense for 15 mins now. （；´д｀)

Eric has made great progress in rehabilitating his knee with his physical therapist-example-1

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Eric has made great progress in rehabilitating his knee with his physical therapist. The therapist measures the angle of Eric's fully bent knee as 45o. This angle is repres…

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