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2015-10-01T05:54:11+05:30

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Let all the angles be 3k , 5k ,9k, and 13k
we know that the some of total angles in quadrilateral is 360 degrees
so adding up the angles
 
3k+5k+9k+13K=360
30k=360
k=360/30
k=12

hence 3k=3*12=36
5k=5*12=60
9k=9*12=108
13k=13*12=156
hence these are the angles


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2015-10-01T05:57:06+05:30

This Is a Certified Answer

×
Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
3x+5x+9x+13x=360
30x=360
x=360/30=12
the angles are 36,60,108,156
i hope this helps u 
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