1. Physics

    If the circle and square have the same area, then magnetizing force at the center of the coil as a result of current flowing through the coil will be in the ratio
  2. math

    A circle has its center at the center of a square with 12-inch sides. Using 3.14 for pi, find the area of the square not covered by the circle, then write a ratio of the circle’s circumference to the perimeter of the square.
  3. Math

    I have a question my brother asked me but I need a math expert. You have two interlocking circles and the radius of circle B goes through the center of circle A and of course the radius of circle A goes through the center of circle B. The radius of each
  4. Geometery

    How do I solve this? On my assignment it says find the area inside the square, but outside the circle, given that the radius of the circle is 2 ft. Use 3.14 for ^ I have a picture of a square with a circle in the square, with a base 6 ft. and height 6 ft.
  5. geometry

    A circle of diameter 2 inches has its center at the center of a square with 2-inch sides. Find the area of the region that is inside the square and outside the circle.
  6. Math

    I need to find the area of a shaded part. it is a square with a circle the measurements that I have are pi = 3.14 and 15 ft by 15 ft. I know to find the area of the square I take base x height but cannot figure out correct formula for subtracting the
  7. geometry

    I need to find the area of the shaded portion of a circle with a square in the middle all corners touching the circle. My square has a line measurement of 10 cm. I know that the area of the square is 100 cm(10 x 10). But I am not sure what to do with the
  8. geometry

    A circle has a center at (8,2). The point is (3,7) is on the circle. What is the area of the circle, to the nearest tenth of a square unit? A. 22.2 square units B. 44.4 square units C. 157.1 square units D.314.2 square units HELP PLEASE, and thanks.
  9. Geometry/Steve

    A circle has an area of approx. 78.5 square units. If the center of the circle is at (2,4). Which of the following points is on the circle? A. (-6,4) B. (2,-1) C. (-4,-4) D.(2,-9) ******** My thoughts are D - can you please check it...thanks
  10. solid mensuration

    a circle having an area of 452 square inches is cut into segments by a chord, which is 6cm from the center of the circle. Find the area of the bigger segment.
  11. geometry

    A circle has a center at (8, 2). The point (3, 7) is on the circle. What is the area of the circle to the nearest tenth of a square unit?
  12. Geometry

    A circle has a center at (8,2). The point is (3,7) is on the circle. What is the area of the circle to the nearest tenth of a square unit? A. 22.2 B. 44.4 C. 157.1 D. 314.2 (I've been stuck on this question for a while) thanks!!
  13. Geometry

    a circle has a center (8,2). the point (3,7) is on the circle. What is the area of the circle to the nearest square unit?
  14. trig question

    On a unit circle, sin x = square root 3 over 2, with center O. Vertical line from top to center of circle is PO. Horizontal line from middle to right of circle is OE. Another vertical line of AB is parallel to PO. And radius of circle (line from O to A) is
  15. algebra 1

    A high school wrestling mat must be a square with 38-foot sides and contain 2 circles. Suppose the inner circle has a radius of s feet, and the outer circle's radius is 9 feet longer than the inner circle. What is an expression for the area of the square
  16. Math word problem

    A small circular pool is enclosed in a square. Find the area inside the square but outside the circle? (of the shaded region). There is a picture of a square, which is shaded, around a circle. The circle is touching all four sides of the square and there
  17. trig question

    NEW DIAGRAM: On a unit circle, sin x = square root 3 over 2, with center O. Vertical line from top to center of circle is PO. Horizontal line from middle to right of circle is OE. Another vertical line of AB is parallel to PO. And radius of circle (line
  18. Solid Mensuration

    A circle having an area of 452 square inches is cut into two segments by a chord, which is 6 inches from the center of the circle. Find the area of the bigger segment.
  19. physics

    A circle with a radius of R is inscribed in a square. On the corner of the square are point charges of +q, +q, -q, and +q. On the circle are charges of +2q, +2q, -q, and +q. (See sketch.) If q = 4.8 micro-coulombs, and the total potential at the center of
  20. physics

    A square loop of side "a" carries current "I". It creates a magnetic field "B-square" at its center. The same loop is then reshaped into a circle, which lowers the magnetic field "B-circle" at the center. What is the ratio B-square/B-circle?
  21. Circumcenter of Triangle in circle

    Equilateral triangle ABC and a circle with center O are constructed such that BC is a chord of the circle and point A is the circumcenter of BCO in its interior. If the area of circle with center O is 48pi, then what is the area of triangle ABC? How to do
  22. Adv. Math

    How do you do these problems??? What is the radius of a circle that its area is 254.5 square inches??? What is the diameter of a circle if its area is 132.7 square meters?? I don't understand this because of the thing that says "square"
  23. math

    there's a circle inside of a square like this: donlehmanjrcom/Tai%20Chi/Tai%20Chi%20Newsletters/excerpts11%20images/image001.png (add the period before the com) the circle has a radius of 2 in and an area of 12.56 in^2 how do i find the area of the space
  24. Algebra

    Could you please check some of my Algebra problems please? Write the standard form of the equation of the circle with the given center and radius. 1. (-7,4);8 I got (x+7)^2 + (y-4)^2=64 2. (-7,10); square root of 17 I got (x+7)^2 + (y-10)^2=17 3. (0,0); 2
  25. 8th grade math

    circle A has a raduis that is twice the length og the raduis of circle B. Which is an accurate statement about the relationship of these areas of circle A and B and y? a.the area of circle A is 4 times the area of circle B b. the area of circle A is twice
  26. Computer Science

    Create a class called Shapes that has a private int field named radius and the proper get- and set- methods (according to our Java coding standards). Create a constructor that takes an integer as a parameter to initialize the radius. Create a void method
  27. Geometry - Dilation of a square

    The preimage of square ABCD has its center at (8,-8) and has an area of 4 square units. The top side of the square is horizontal. The square is then dilated with the dilation center at (0,0) and a scale factor of 2. What are the coordinates of the vertex
  28. algebra

    A few more question Id like for someone to check please. 1) what are the vertex, focus, and directrix of the parabola with the given equation? x^2-8x-28y-124=0 vertex (4,-5) focus (0,7) directrix y=-12 2) write an equation of a circle with given center and
  29. math

    1. A wire of length x is bent into the shape of a square. Express the area A as a function of x only. 2. A circle of radius x is inscribed in a square. Find the area inside the square but outside the circle as a function of x only.
  30. math

    From a piece of pin in the shape of a square 6 inches on a side, the largest possible circle is cut out. Of the following, the ratio of the area of the circle to the area of the original square is closest in value to A. 4/5 B. 3/5 C. 2/3 D. 1/2
  31. Geometry

    Circle O is inscribed is square ABCD, and at the same time, is circumscribed about square PQRS. WHich are is the smaller area, the region inside the inscribed circle minus the area of square PQRS or the are inside square ABCD minus the area of the
  32. math test review

    15. Scott knows that the area of the center circle of the basketball court in the school gym is 110 square feet. He wants to find the radius of the center circle of the basketball court in the school gym. He determines that the square of the radius is 34
  33. math

    A square is inscribed in a circle. If the area of the square is 9 in2, what is the ratio of the circumference of the circle to the area of the circle?
  34. math

    A square is inscribed inside a circle with radius r cm. a) Express the edge length of the square in terms of r and so find the area of the square in terms of r. Using side, 's' would make it much easier, but the question asks for me to find the area of the
  35. math

    the portuguese national flag is a rectangle in the center of the flag is a coat of arms and shield on a circle.this circle has a diameter that is half the flags height.if the flags circle has an area of 3.14 square feet,what is the height of the flag?
  36. Geometry

    I have a picture of a window showing a square in the center with sides measuring 4 feet, over each side of the square is a semi-circle(a total of 4 semi-circles), how can I find the area of the window? Should I find the area of the square and the
  37. Geometri euclid

    The small circle and the large circle have the same center O. Chord AB is tangent to the smaller circle at C. Prove that the area between the large and small circle is the same as the area of the circle that has AB as a diameter
  38. Algebra 1: Help Please URGENT!

    A circle is inscribed in a square. The number of square units in the area and the number of units in the perimeter of the square are the same. What is the area of the circle in terms of pi? Explain your thought process. I completely don't understand this
  39. Algebra 1

    A circle is inscribed in a square. The number of square units in the area and the number of units in the perimeter of the square are the same. What is the area of the circle in terms of pi? Explain your thought process. I completely don't understand this
  40. Geometry

    Which one of these is NOT a step used when constructing an inscribed square using technology? A. Create a circle using the center with given points tool. B. Connect the points with a line through the center of the circle. C. Mark the points of intersection
  41. math

    a square has an area of 169 square centimeters. find the area of the largest circle that could be drawn inside the square. round your answer to the nearest square centimeter.
  42. physics

    when an object is rotating in a circle and the only force is acting on it is friction how is force of friction vector pointing towards the circle because an object in circular motion is traveling in that direction, it's accelerating towards the center of
  43. Math

    The diameter of a circle is equal to the side of a square. The ratio of the area of the circle to the area of the square is approximately A. pi/2 B. 2/pi C. 2/1 D. 11/14
  44. Calculus

    A square is inscribed in a circle. If the area of the circle is 144(pi)cm*squared* --sorry the square root thing isnt showing up. Then the exact perimeter of the square is... I really don't get how to solve this, but the answer is supposed to somehow be
  45. algebra 1

    a high school wrestling mat must be square with 38-foot sides and contain two circles as shown. suppose the inner circle has a radius of "s" feet and the outer circle's radius is nine feet longer than the inner circle. *write an expression for the area of
  46. algebra 1...urgent

    a high school wrestling mat must be square with 38-foot sides and contain two circles as shown. suppose the inner circle has a radius of "s" feet and the outer circle's radius is nine feet longer than the inner circle. *write an expression for the area of
  47. Math

    Two perpendicular diamters(cutting each other at right angles) of a circle cut the circumference at four(4) points. A square is formed by joining the 4 points. If the circumference of the circle is 132cm, find the area of the square. so right here they
  48. Physics

    1.There are four charges, each with a magnitude of 2.5 µC. Two are positive and two are negative. The charges are fixed to the corners of a 0.29 m square, one to a corner, in such a way that the net force on any charge is directed toward the center of the
  49. physics.. important stuff !

    i still do not understand?? can someone please help me out??? (a) why is the centripetal force neede to keep a body moving in a circular path? (b) In what direction does a centripetal force accelerate the body on whic it acts?? (c) Upon what threee factors
  50. math

    There's a circle with that has a dot in the middle with two line going to the left and right that's is 16 m. I have to find the area of the circle. I have to give that exact area and an approximate area to the nearest square unit. Help?
  51. pre cal

    Suppose you inscribe a square in a circle of radius r. Thus all four corners of the square lie on the circle. The area of that square is ?
  52. math help

    "Three cards are randomly selected from a standard 52-card deck. What is the probability of getting 3 hearts or 3 numbers less than 6 (count aces as 1)?" I think the answer is 0.0645, but I'm not sure if this is right. Could someone check this? "Half of a
  53. math

    The area of a circle is given by the formula A = ðr2, where r is the radius. If increasing the radius of a circle by 1 inch gives the resulting circle an area of 100ð square inches, what is the radius of the original circle?
  54. Algebra

    The area of a circle is given by the formula A+pier^2, where r is the radius. If increasing the radius of a circle by 1 inch gives the resulting circle an area of 100pie square inches, what is the radius of the original circle?
  55. Geometry

    A circle is divided into two parts by a chord, 3cm a wat from the center. Find the area of the smaller part if the circle has an area of 201cm squared.
  56. Math

    The center of a circle is A(-3,3) an B(1,6) is in the circle. Find the area of the circle in terms of pi. a^2 + b^2 = c^2 radius is 5 and 25pi
  57. Mathematics

    (in this question they did not give me any diagrams) use pie 22/7 (a) a piece of wire is bent to form a square of area 121cm squared Calculate the length of each side of the square. Calculate the perimeter of the square. (b) the same piece of wire was bent
  58. Advanced Math

    write the equation of the circle that satisfies each set of conditions. the center of the circle is on the x-axis, its radius is 1, and it passes through the point (square root of 2 over 2, square root of two over 2)
  59. area of circle

    The radius of a circle is 8ft. I have 60ft of tile. Is this enough to cover circle. Do you mean you have 60 SQUARE feet of tile? The circle's area is much more than that. How would you find he angle to a circle if half of it is 12 in. ??? and how owuld you
  60. Algebra

    The area of a square is greater than the area of the circle by 12 cm². Find the length of the side of a square if the area of the circle is 36 cm².
  61. geometry

    Theres a circle with an equilateral triangle in the middle. The traingles edges all touch the circle. The radius of the circle is 8 meters. How do I find the area of the triangle? Sorry The triangles edges don't touch the circle, the points do. Did you
  62. 7th grade masth asap hurry plz ms.sue somebody plz

    The area of a circle is found with the formula A = pi r^2, where pi represents 3.14. If a tile artist is placing tiles in a circular mosaic pattern and the area of the circle is 658 square feet, what is the approximate radius of the circle in feet? Can you
  63. Math

    The area of a circle is found with the formula A= 3.14r2 where 3.14 represents 3.14. If a tile artist is placing tiles in a circular mosaic pattern and the area of the circle is 658 square feet what is the approximate radius of the circle in feet?
  64. physics

    Charges A through E have a charge of either + or - 5mC. They are placed at regular intervals along a semicircle of radius 7cm. Find the magnitude and direction of the force exerted on an electron placed at the center of the circle. Find the electric
  65. PHYSICS

    coil having 1000 turns and a length of 3.14cm carries a current of 5A. calculate the magnetomotive force and the magnetizing force
  66. physics

    a coil having 1000 turns and a length of 3.14cm carries a current of 5A. calculate the magnetomotive force and the magnetizing force.
  67. physics

    a coil having 1000 turns and a length of 3.14cm carries a current of 5A. calculate the magnetomotive force and the magnetizing force.
  68. Solid Mensuration

    The area of a regular hexagon inscribed in a circle is equal to 166.28 square cm. If the circle is inscribed in a square, find the difference between the area of the square and the hexagon.
  69. math

    The area of a circle is found with the formula A =〖πr〗^2, where π represents 3.14. If a tile artist is placing tiles in a circular mosaic pattern and the area of the circle is 658 square feet, what is the approximate radius of the circle in feet?
  70. math

    -a circle with center at the point O(0,0) also has the point P(-2,3) on it. The equation of this circle is? and a second question: -A circle has a center of square root 5. The equation of this circle is? Please help me.
  71. Math

    A Circle has an area of 25 pie centimeter squared.If one side of the square is the same length as the radius of the circle,what is the perimeter of the Square? F 20 cm G 25 cm H 50 cm J 75 cm K 100 cm
  72. math

    the diagram shows a square xyrz of side 15m with an inscribed circle centre o.calculate the area of the square, circle and the shaded region
  73. Analytic Geometry - lengths?

    Square ABCD has sides of length 4, and M is the midpoint of CD . A circle with radius 2 and center intersects a circle with radius 4 and center A at points P and D . What is the distance from P to AD? Please help - I drew the diagram, but looks kinda
  74. math

    Square ABCD is incribed in Circle O. If the side of the square is 2 find the area of Circle O. a. pi b. 2 pi c. 4 pi d. 8 pi e. 16 pi please answer and explain
  75. math

    The area of a circle is 25π square inches. What is the length of the radius of the circle in inches? (Area of circle = πr^2). I don't understand it please explain it to me
  76. MATH

    The area of a circle is 25π square inches. What is the length of the radius of the circle in inches? (Area of circle = πr^2). I don't understand it please explain it to me
  77. geometry

    A square ABCD is inscribed in a circle. The circle is folded to form a semi-sircle, and another square EFGH is inscribed in this semi-cirlcle. Find the ratio of the area of the square EFGH to the area of the square ABCD.
  78. Math - Calculus

    A piece of wire 16cm long is cut into 2 lengths, one of which is bent into a circle, the other into a rectangle with one side three times the other. a) Determine the ratio of the longer length of the rectangle to the radius of the circle if the sum of the
  79. math

    If the area of a circle is twice the area of a triangle whose base is 4 pi and whose altitude is 4, the radius of the circle equals a. square root 32 b. 2 c. 4 d. 8 e. 32 please answer and explain
  80. math

    If the area of a circle is twice the area of a triangle whose base is 4 pi and whose altitude is 4, the radius of the circle equals a. square root 32 b. 2 c. 4 d. 8 e. 32 please answer and explain
  81. math

    the diameter of two circles are in the ratio of 2:3. Find the area of the smaller circle if the area of the larger circle is 63pie square meters
  82. Math

    A piece of wire is bent to form a square of area 121cm. Calculate: a)the length of each side of the square. b)the perimeter of the square. The piece of wire is now bent to form a circle using π=3.14 Calculate: a)the radius of the circle b)the area of the
  83. math

    A point,X ,is 25 feet from the center of a circle.If the diameter of the circle is 14 feet,what is the length (in feet)of a tangent from point X to the circle? a. square root 29 b. 18 c. 15 square root 2 d. 24 e. square root 673 please answer and explain
  84. Geometry

    Write the General form equations for the following circles: 1. A circle with center (1, -6) and radius 4 2. A circle with center (6, 8) and radius 10 3. A circle with center (0, 3) and radius 2√3 4. A circle with center (-0.5, 5.5 ) and radius 8.4 5. A
  85. math

    If the circumference of a circle is the same as the perimeter of the square with a side as 4 pi in, what is the area of the circle in square inches?
  86. functions

    a square has an area of 100 cm^2. how much bigger is the square's circumscribed circle than the inscribed circle?
  87. Calculus

    A piece of wire 40cm long is cut into two pieces. One piece is bent into the shape of a square and the other is bent into the shape of a circle. How should the wire be cut so that the total area enclosed is a) a maximum? /b) a minimum? Perimeter of square
  88. Differential Calculus

    Hi pls help me i dunno what to do show me complete solution please please Thank you. a piece of wire 10ft. long is cut into two pieces , one piece is bent into the shape of a circle and the other into the shape of a square. How should the wire be cut so
  89. Maths

    Three circles of radius 1 unit fit inside a square such that the two outer circles touch the middle circle and the sides of the square. Given the centres of the circle lie on the diagonal of the square, find the exact area of the square. I got the answer
  90. Physics please clarify

    A charge of -3.00 µC is fixed at the center of a compass. Two additional charges are fixed on the circle of the compass (radius = 0.135 m). The charges on the circle are -3.20 µC at the position due north and +5.00 µC at the position due east. What is
  91. Math

    If area of a square inscribed in a semi circle is 2 square centimeter. Fine the are of the square inscribed in a full circle
  92. geometry

    Open that link please please help me with my assignments 1. in the figure , the areas of traingle cef, triangle abe, triangle adf are 3,4, and 5 respectively. find the area of triangle aef 2. equialateral triangle abc has an area of square root of 3 and
  93. Physics HELP!!

    A square, 0.74m on a side, is mounted so that it can rotate about an axis that passes through the center of the square. This axis is perpendicular to the plane of the square. A force of 26.8N lies in this plane and is applied to the square. What is the
  94. Physics

    A square, 0.36 m on a side, is mounted so that it can rotate about an axis that passes through the center of the square. The axis is perpendicular to the plane of the square. A force of 14.4 N lies in this plane and is applied to the square. What is the
  95. Geometry

    A square is circumscribed about a circle. What is the ratio of the area of the circle to the area of the square? A. 1/4 B. 1/2 C. 2/π D. π/4
  96. Physics

    A square, 0.52 m on a side, is mounted so that it can rotate about an axis that passes through the center of the square. This axis is perpendicular to the plane of the square. A force of 15.0 N lies in this plane and is applied to the square. What is the
  97. physics

    A square, 0.52 m on a side, is mounted so that it can rotate about an axis that passes through the center of the square. This axis is perpendicular to the plane of the square. A force of 15.0 N lies in this plane and is applied to the square. What is the
  98. Physics

    A square, 0.69 m on a side, is mounted so that it can rotate about an axis that passes through the center of the square. This axis is perpendicular to the plane of the square. A force of 17.1 N lies in this plane and is applied to the square. What is the
  99. Ms. Sue Please help!!!

    Ahhh... thank you "A square and an equilateral triangle have the same perimeter. Let A be the area of the circle circumscribed about the square and B be the area of the circle circumscribed about the triangle. Find A/B." It's a tough one.
  100. MINIMIZATION PROBLEM (CALC)

    A wire 9 meters long is cut into two pieces. One piece is bent into a square for a frame for a stained glass ornament, while the other piece is bent into a circle for a TV antenna. To reduce storage space, where should the wire be cut to minimize the total