What is the sum of the interior angles of a 15-gon?
1 answer:
Answer:
2340 degrees
Step-by-step explanation:
Each triangle has an angle sum of 180 degrees, therefore the sum of interior angles of 15-gon will be 13×180=2340
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Step-by-step explanation:
725x12+X=9300
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Answer: 30
Step-by-step explanation:
see photo for work
2x -20 -1 =0
2x -21=0
2x=21
x= 10.5
Do the 15 new people fill the gondola?
