Answer:
Percentage of error by Clare is estimated as 4.1667 %.
Step-by-step explanation:
Height measured by Clare = 4 feet
Height measured by Doctor = 4 feet, 2 inches
Percentage error = ?
Percentage error = Difference/ Actual height *100
Percentage error = (2/ (4*12))*100
Percentage error = 4.1667 %
The accurate height is measured by Doctor, as he have more accurate measurement system.
The doctor's measurement is the actual height. The error in Clare's estimation is 2 inches or 4% of the total height.
The doctor's measurement should be considered the actual height because it is the factual measurement obtained, while Clare's was an estimate based on her observation.
The error in Clare's estimate, compared to the actual height, is 2 inches. To calculate the error as a percentage, we first convert the actual height to inches (50 inches = 4 feet 2 inches), then divide the error by the actual height and multiply by 100 to get the percentage.
So, the error as a percentage is (2/50)×100 = 4%.
#SPJ11
Formula: A=(pi)r^2
Substitution: A=3.14(7^2)
A=3.14(49)
Solve: A=153.86 in^2
*I personally like to use the pi sign on my calculator to multiply the radius squared by, but my keyboard did not have a pi sign. Usually, the pi sign is more exact. If you used the pi sign, your answer would be 153.94 inches^2. Hope this helps!