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Mathematics 10 Online
OpenStudy (anonymous):

What is the value of X A)20 B)40 C)45 D)85

OpenStudy (anonymous):

OpenStudy (anonymous):

pls halp

OpenStudy (radar):

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OpenStudy (anonymous):

a right angle?

OpenStudy (radar):

How many degrees are in a right angle, yes you are correct.

OpenStudy (anonymous):

95 degrees?

OpenStudy (radar):

No that is too many degrees. A right angle is an angle of exactly 90 degrees.

OpenStudy (anonymous):

oh

OpenStudy (radar):

Now a little algebra...looking at your link (diagram) we can state the following: 10 + 2x = 90 (degrees) Do you see why?

OpenStudy (anonymous):

no :(

OpenStudy (radar):

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