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Tutors Answer Your Questions about Surface-area (FREE)
Question 233463: The amount of metal S (in square inches) that it takes to make a can for tomato soup depends on the radius "r" and height "h":
S=2πr^2 +2πrh
a) rewrite the formula by factoring out the greatest common factor on the right hand side
b) Let h=5 in. and write a formula that expresses S in terms of r.
Click here to see answer by checkley77(7035)  |
Question 232021: The circumference of a circular garden is 628 feet. Find the area of the garden.
ok I know to get area we use pie r squared however, I have no clue how to get the radius?
I have so far got this:
628/3.14 200=r squared?
Click here to see answer by solver91311(5072)  |
Question 231144: Find the maximum area enclosed by rectangular fencing which is 400 feet long if the farmer uses his barn for one side of the enclosure. Show diagram and equation before calculator use. Round area to the nearest square foot.
Please help! Thanks!
Click here to see answer by rfer(2688)  |
Question 229897: i have four circles that are touching and have a diametre of 10 meters each . i need to find the area that is in the middle in square meters. also the area of the centre and one of the circles combined, hope you can help.
Click here to see answer by solver91311(5072)  |
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