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Tutors Answer Your Questions about Circles (FREE)
Question 70334: Two circular regions are tangent to each other, one being larger than the other. The distance between the centers is 10 feet.
Find the radius of each circle if the combined area is 52pi square feet.
Click here to see answer by bucky(1732)   |
Question 71137: Heyy i really need some help on this question.. give me a hand pleasee.
In a circle with radius 7cm, a chord is 3cm from the center. How long is another chord located 3 cm from the center?
Those are the choice of answers, could you please give me the steps of how to do it please!
A) 2 (root)10
B)7
C)4 (root)10
D)14
Click here to see answer by Earlsdon(4900) |
Question 71136: Heyy i really need some help on this question.. give me a hand pleasee.
In a circle with radius 7cm, a chord is 3cm from the center. How long is another chord located 3 cm from the center?
Those are the choice of answers, could you please give me the steps of how to do it please!
A) 2 (root)10
B)7
C)4 (root)10
D)14
Click here to see answer by josmiceli(3012) |
Question 72894: Mr. Perez built this circular garden. The inner circle has a diameter of 22 feet. The outer circle has a diameter of 44 feet. The circumference of section B is how many times as long as the circumference of Section A?
What is the area of section B?
Click here to see answer by blfaust(5) |
Question 75647: Is there a formula to answer the following question?
I know the chord of a circle is 10" and at the mid point of this chord is another line that reaches up to the edge of the circle and it is 1" long. What is the radius of the circle? this question is not in a text book.
Thank you for your time,
Amy
Click here to see answer by Edwin McCravy(2922) |
Question 77121: Four circles, each of radius 5 inches, fit tightly in a square 20 inches on a side. Each circle is tangent to two other circles. What is the area, to the nearest tenth of a square inch, of the region enclosed by the four circles, at the center of the square
Click here to see answer by josmiceli(3012) |
Question 77341: The price a flower shop charges for roses is inversely proportional to the number of days before Valentine's Day that the order is placed. A dozen roses ordered ten days before valentine's Day costs $12.00 while the same order placed five days before Valentine's Day costs $24.00. What is the cost of a dozen roses ordered one day before Valentine's day?
Click here to see answer by stanbon(26287) |
Question 77341: The price a flower shop charges for roses is inversely proportional to the number of days before Valentine's Day that the order is placed. A dozen roses ordered ten days before valentine's Day costs $12.00 while the same order placed five days before Valentine's Day costs $24.00. What is the cost of a dozen roses ordered one day before Valentine's day?
Click here to see answer by ankor@dixie-net.com(6693)  |
Question 77427: (1) Two circles of radius 1 and 4 units are tangent to each other externally. the length of the common tangent line between the points of tangency is closest to which of the following?
(a) 4.8 (b) 4.5 (c) 3.9 (d) 3.6
(2)If the diameter of a cylinderical jar is increased by 25% without altering the volume then its height must decrease by:
(a) 10% (b)25% (c)36% (d)50%
Click here to see answer by Edwin McCravy(2922) |
Question 78059: A plastic cover is made for a pool with a diameter of 24 feet. The cover will rest on the top of the pool and will include a wedge-shaped flap that forms a 45 degree angle at the center of the cover. A zipper will go along 1 side of the wedge-shape flap and around the arc. Which of the following is closest to the length, in feet, of the zipper?
-I know that 12 feet is the length of one radius so that is part of the length of the zipper. I am not sure how to find the length of the arc on a circle.
Click here to see answer by jim_thompson5910(13794) |
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Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720
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