Suppose a politician sent out 5100 surveys. Which of these numbers of surveys being returned would prevent nonresponse bias?
A. 51
o
B. 5100
C. 510
D. 5

Using closest Wolfram|Alpha interpretation: isosceles triangle | interior angle

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Input interpretation:
isosceles triangle | interior angle

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You have 2 sides that are 2 cms and you have 6 sides that are 1/2 cm and you have 4 sides that are 1 cm. the smallest sides are 1/2 the medium sized sides are 1 and the smallest are 1/2. so to find the perimeter you have to add them all up together so your answer will be 11 cm's