Helen draws a random circle.
She then measures its diameter and circumference.
upper
Sh...
Mathematics, 14.10.2020 20:01 Michcardwell1071
Helen draws a random circle.
She then measures its diameter and circumference.
upper
She gets a circumference, C, of 405 mm correct to 3 significant figures.
She gets a diameter, d, of 130 mm correct to 2 significant figures.
Helen wants to find the value of using the formula = 응
Calculate the lower bound and upper bound for Helen's value of .
Give your answers correct to 3 decimal places.
Answers: 3
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