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Mathematics 15 Online
OpenStudy (a1234):

Is ϕ 111.2501955 degs in the diagram?

OpenStudy (a1234):

c and d refer to the whole diagonal, not just the portion to the middle.

OpenStudy (loser66):

How can you have that number?

OpenStudy (a1234):

Why not?

OpenStudy (a1234):

Shall I show the work?

OpenStudy (loser66):

Please

OpenStudy (a1234):

ϕ1 is the bigger part of ϕ and ϕ2 is the smaller one

OpenStudy (loser66):

Hey, where do those numbers come from? you post a pic with a, b, c, d and phi and theta. NO NUMBER THERE!!

OpenStudy (a1234):

Big oops...b = 25, c = 50, and d = 35

OpenStudy (loser66):

|dw:1448162107097:dw|

OpenStudy (loser66):

Hence triangle DOC is isosceles, right? |dw:1448162261912:dw|

OpenStudy (a1234):

Yes

OpenStudy (loser66):

|dw:1448162317002:dw|

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