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OpenStudy (anonymous):
A quadrilateral has angles that measure 63°, 89° and 121°. What is the measure of the fourth angle? A. 273° B. 93° C. 87° D. If you can help, thanks, 3lectric 27°
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OpenStudy (anonymous):
24 noow please come help me with my question
OpenStudy (anonymous):
Formatting messed up, sorry
OpenStudy (anonymous):
Ok @Fudgewwww
OpenStudy (zpupster):
63+89 +121+ A = 360 A=360 -(63+89 +121)
OpenStudy (triciaal):
@zpupster is correct
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OpenStudy (anonymous):
Ty so much @zpupster !
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