# Questions on Geometry: Circles and their properties answered by real tutors!

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 Geometry: Circles and their properties Solvers Lessons Answers archive Quiz In Depth

 Question 406017: A diameter is the segment from (-4,6) to (8,-2). Click here to see answer by ewatrrr(11156)

 Question 406496: Find the area of each circle to the nearest whole number using 3.14 Radius is 3.5 in Click here to see answer by MathLover1(7480)

 Question 406560: circle x and circle y are tangent to eachother at point p. line L is tangent to circle x as A and to circle y at B. PC=8. Find the length of AB Click here to see answer by robertb(4012)

 Question 406580: in the diagram circle x and circle y are externally tangent at point p. above that line l is tangent to x at point a and to circle y at point b. between a and b is a point called c. how do you find the length of ab is pc=8? Click here to see answer by robertb(4012)

 Question 406739: Find the radius of the circle with these 3 points (4,5) (2,9)(3,8) and center (-1,5) Click here to see answer by Alan3354(34674)

 Question 406952: if the radius of a circle is 16 in. how far will the wheel roll in 4 turns? Click here to see answer by ewatrrr(11156)

 Question 407869: TWO PARALLEL CHORDS PQ AND MN ARE 3 cm APART ON THE SAME SIDE OF THE CIRCLE WHERE PQ=7 cm and MN = 14cm. CALCULATE THE RADIUS OF THE CIRCLE Click here to see answer by MathLover1(7480)

 Question 407962: The equation of a circle having the points (2,3) and (-4,5) as the ends of its diameter is what Click here to see answer by Alan3354(34674)

 Question 408054: If the circumference of the circle is 18 units what is the radius and the area? Click here to see answer by mananth(13127)

 Question 409024: Find the center and radius of the circle with the equation x^2 + 18x = y - y^2 - 61 Click here to see answer by scott8148(6628)

 Question 410350: what is the exact area of a circle with a radius of five inches? Click here to see answer by rfer(13569)

 Question 410273: the length of a circle is 11 centimeters. is the circumfrence more or less than 33 centimeters? explain. Click here to see answer by richard1234(5390)

 Question 410443: A circle is centered at the origin and contains the point (3,4). What is the circumference of the circle in terms of pi? Click here to see answer by richard1234(5390)

 Question 410872: I am really confused with these circles. Can you please help me with this? I know the answer is 16, but I don't know how to work the problem to get there. "Suppose you have two cans of paint that can cover a total of 800 sq.ft. Find the radius of the largest circle you can paint. Round to the nearest tenth of a foot." Please explain so that I will be able to do these on my own. Thank you! Click here to see answer by ankor@dixie-net.com(16523)

 Question 411175: A circle of diameter 2 inches has its center at the center of a square of side 2 inches. Find the area of the region that is inside the square and outside the circle. Click here to see answer by MathLover1(7480)

 Question 411249: 6 meter long wire fence is used to enclose circular garden. what is the radius of garden? The answer is 36Pi; why wouldn't it be 9Pi? Click here to see answer by Alan3354(34674)

 Question 411654: I need to find the center and radius of a circle with the given formula: x²+y²=36 Click here to see answer by stanbon(60771)

 Question 411943: four times a number is two. What is the number? Click here to see answer by Alan3354(34674)

 Question 412570: How do I go about proving that if a parallelogram is inscribed within a circle, then the parallelogram is a rectangle? Click here to see answer by richard1234(5390)

 Question 413049: I'm trying to cut a squear to find 4 queal points on a 24'' circle can anybody please get me the equation Click here to see answer by Alan3354(34674)
 Question 413049: I'm trying to cut a squear to find 4 queal points on a 24'' circle can anybody please get me the equation Click here to see answer by Theo(3556)

 Question 412610: please help: Let a, b, c, d be four points on a ciricle. Let four more circles pass through a and b, b and c, c and d, d and a, respectively, meeting in further points a'b'c'd'. Show that a'b'c'd' is a cyclic quadrilateral Thank You! Click here to see answer by richard1234(5390)

 Question 413505: find the distance between the given pair of points, If the answer is irrational , leave it in radical form. (-11,2) and (1,7) Click here to see answer by josmiceli(10616)

 Question 413518: The circumference of a circle is 24 units. What is the diameter in terms of pi I'm confused about the question - don't understand what is meant by in terms of pi. Click here to see answer by richard1234(5390)

 Question 413503: Find the equation of the circle that has its center at (6,-5) and passes through (1,7). Click here to see answer by ewatrrr(11156)

 Question 409204: Write the standard form of the equation of the circle whose diameter has endpoints of (3, 0) and (7, 10)? Click here to see answer by ewatrrr(11156)

 Question 413604: two chords intersect in a circle forming right angles. what is the sum of the measures of a pair of opposite arcs Click here to see answer by Edwin McCravy(9716)

 Question 414336: 24. A circle has radius 6 cm. Find the area in terms of of a sector of the circle with a 140° central angle Click here to see answer by Alan3354(34674)

 Question 415035: Question is: if the radius of a circle is 8ft and the central angle is 5pi/4 find the intercepted arc length. I know that 5pi/4 equals 225 degrees and the diameter is 16ft but im not sure how to set this equation up to figure the intercepted arc length. thank you Click here to see answer by stanbon(60771)
 Question 415035: Question is: if the radius of a circle is 8ft and the central angle is 5pi/4 find the intercepted arc length. I know that 5pi/4 equals 225 degrees and the diameter is 16ft but im not sure how to set this equation up to figure the intercepted arc length. thank you Click here to see answer by jsmallt9(3438)

 Question 415685: if the diameter of a circle is 3/4 of an inch, what is its radius? Click here to see answer by richard1234(5390)

 Question 416599: what is the area of the largest circle that will fit insie a square with an area of 36 square centermeters? Click here to see answer by praseenakos@yahoo.com(507)

 Question 417232: If one side of a square is as long as the diameter of a circle, find the ratio of the perimeter of the square to the circumfrance of the circle. Click here to see answer by praseenakos@yahoo.com(507)

 Question 417401: Which is an equation of the circle with a radius of 9 units and center at (–4, 2)? Click here to see answer by ewatrrr(11156)

 Question 414671: Let C be the graph of y = x^2 + 10x + 2, state how the graph of the following equation is related to C, x = y^2 +10y + 2 Click here to see answer by ewatrrr(11156)
 Question 414671: Let C be the graph of y = x^2 + 10x + 2, state how the graph of the following equation is related to C, x = y^2 +10y + 2 Click here to see answer by richard1234(5390)

 Question 417870: If the ratio of a circle is 5mm What is the circumference of the circle? I have tried adding 5x4 for the ratii around the circle, but I dont know if it's right please help! Click here to see answer by praseenakos@yahoo.com(507)