Posted by Cabdirizak on Monday, March 11, 2013 at 1:36am.
the angles of pentagon are(3x+5)(x+16)'(2x+9)'(3x8) and (4x15) find the value of x?

polygon  Steve, Monday, March 11, 2013 at 1:37am
just add them up  they total 540°

polygon  Steve, Monday, March 11, 2013 at 11:42am
hmmm. assuming no typos, then the angles appear to be some in degrees and some in minutes. in that case,
(3x+5) + (x+16)/60 + (2x+9)/60 + (3x8) + (4x15) = 540
x = 55.481  that's °
plug in to figure the angles.
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