Answer:
The rotational angle of a regular polygon with 72 sides is 5º.
Step-by-step explanation:
The rotational angle (
), measured in sexagesimal degrees, of polygon of 
sides is the angle of a complete revolution divided by the number of sides (). That is:
(1)
If we know that 
, the rotational angle is:
The rotational angle of a regular polygon with 72 sides is 5º.
Answer:
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Step-by-step explanation:
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Answer: 
Step-by-step explanation:
ANSWER = 154^3+10^2+12+15
0.10r + 0.20b = 24
3r = b + 20....b = 3r - 20
0.10r + 0.20(3r - 20) = 24
0.10r + 0.60r - 4 = 24
0.70r = 24 + 4
0.70r = 28
r = 28/0.70
r = 40 <=== there are 40 reds
0.10r + 0.20b = 24
0.10(40) + 0.20b = 24
4 + 0.20b = 24
0.20b = 24 - 4
0.20b = 20
b = 20/0.20
b = 100 <=== there are 100 blues
