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dlinn [17]
3 years ago
15

The base of a right circular cylinder has a diameter of 5.00 inches. Sally measured the circumference of the base cylinder and r

ecorded it to be 15.5 inches. What is the percent of error in her measurement? Express your answer to the nearest tenth of a percent.
Please explain what you did to get your answer!​
Mathematics
1 answer:
LUCKY_DIMON [66]3 years ago
4 0

Answer:

The percent of error in her measurement is 1.3%

Step-by-step explanation:

we know that

The circumference of a circle is equal to

C=\pi D

where

D is the diameter

we have

D=5\ in

assume

\pi=3.14

substitute

C=(3.14)(5)=15.7\ in ----> This value represent the 100% (theoretical value)

Find the difference between the theoretical value and the measured value

15.7-15.5=0.2\ in

Find the percentage by proportion

15.7/100=0.2/x\\ x=100*0.2/15.7\\ x=1.3\%

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