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Mathematics 10 Online
OpenStudy (anonymous):

What are the possible values of the third face angle of a trihedral angle if two of the face angles are 65 degrees and 125 degrees?

OpenStudy (anonymous):

Well, we do know that the sum of any two angles is greater than the third angle and that the sum of the face angles is less than 360. Does that help you?

OpenStudy (anonymous):

can you show me how can i solve it? ^^

OpenStudy (anonymous):

ohh. now i get it thanks :)

OpenStudy (anonymous):

Your welcome.

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