Tutors Answer Your Questions about Surface-area (FREE)
Question 429436: Fred Flinstones wheel from his car is 2 clubs wide and he diameter is 1.5 clubs.
a) What is the surface area of the part that rolls on the road (Lateral surface area)?
b) What is the total surface area of the inside of the wheel if the diameter of the axle is 1/2 club?
Click here to see answer by shree840(260)  |
Question 433280: Briana's backyard is a square that measures 20 feet on each side. She wants to plant the largest circular garden possible to fit in her backyard.
A. What will be the area of the circular garden? Explain how you found your answer.
B. What is the area of the backyard that will not be included in her garden? Explain how you found your answer
Click here to see answer by katealdridge(100)  |
Question 433343: What is the length of the blue line labeled r in the image below? Give your answer in terms of a and b.
blue line labeled r starting at the orgin and ending at a point a,b
Then I come up with the answer r = sqrt(a^2 + b^2), but it always says Check the syntax of your response. I have changed many times, but hopeless.
Please help!!!!
Click here to see answer by richard1234(7193)  |
Question 433862: The peak tram in hong kong connects two terminals, one at the base of a mountain, and the other at the summit. The angle of elevation of the upper terminal from the lower terminal is about 15.5 degrees. The distance between the two terminals is about 1365 meters. About how much higher above sea level is the upper terminal compared to the lower terminal? Round answer to the nearest meter.... I'm having the hardest time with this problem! I don't know where to start!
Click here to see answer by ankor@dixie-net.com(22740)  |
Question 434866: AIRPLANES The angle of elevation to
an airplane viewed from the control
tower at an airport is 7°. The tower is
200 feet high and the pilot reports that
the altitude is 5200 feet. How far away
from the control tower is the airplane?
Round your answer to the nearest foot.
Click here to see answer by ankor@dixie-net.com(22740)  |
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