area, perimeter

20,801 results, page 35
  1. math

    A right triangle has an area of 13 m2. The dimensions of the triangle are increased by a scale factor of 3. What is the area of the new triangle? (1 point)
  2. pre calc

    area of triangle XYZ given:side z=11 side x=7 and side y=13 what are the angles and area please? please explain
  3. Math

    The perimeter of a rectangle is 122 feet and the length is 10 times longer than twice the width. Find the dimension.
  4. geometry

    : the perimeter of triangle abc is 26m bc is two -thirds as long as ab and it is also 2m longer than ac .find the lengths of the three sides
  5. math

    I am a third grader and have a homework of sketching and labeling all possible rectangles with perimeter of 30 cm and sides whose lengths are whole numbers. I am confuse, i need help please.
  6. math

    Now consider a rectangle of perimeter 20cm.let one side be x find the length of other sides in terms of x"plz help me"thnx
  7. Pre-Algebra

    Find the perimeter ( I am not sure of the step) Can someone help me PLease If a rectangle whose dimensions ar e8 1/2 in.x 3 3/4 in. am I to multiply because this is what i got 0.020564475m^2 please get me going in the right direction . Thank you in advance
  8. Algebra

    your are building a soccer field. the length has to be 30 m longer than the width, and the total perimeter must be between 320i m and 360 m.
  9. Geometry

    The sides of a triangular lot are represented by x, 2x, and 3x + 2. Find each side if the perimeter is 362 feet. What are the 3 lengths?
  10. Trigonometry

    find the perimeter of an isosceles triangle whose base is 20cm and the vertex angle is 120 degrees.
  11. Maths

    A rhombus sheet,whose perimeter is 32 m and whose one diagonal is 10 m long , is painted on both the sides of Rs.5 per m^2.Find the cost of the painting
  12. Geometry

    How many distinct isosceles triangles exist with a perimeter of 99 inches and side lengths that are positive while numbers?
  13. trig

    an isosceles triangle has a perimeter of 60in. the congruent sides measure (2x+9)cm. the length of the third side is 3xcm. what is the value of X?
  14. math

    Now consider a rectangle of perimeter 20cm.let one side be x find the length of other sides in terms of x"plz help me"thnx
  15. Maths

    Calculate the perimeter of the sector of a circle in centimeters. Use pie = 22/7, radius =14cm and angle =45 degrees.
  16. Algebra

    I am havine trouble with this problem will someone please help me The perimeter of a rectangle is 68m The length is 10 m more than twice the width. Find the dimensions
  17. geometry

    the scale factor of 2 similar polygons is 2:3. The perimeter of the larger one is 150 centimeters, what is the parameter of the smaller one
  18. Algebra II

    The sides of a triangle are in the ratio 5:12:13. Describe the length of the shortest side if the perimeter is not more than 120 inches.
  19. Algebra

    Calculate, in yards and feet, the perimeter of the playing field. Width=160 Length=360
  20. math

    how do i define variable and write equation for... The perimeter of a square equals 4 time the length of a side?
  21. math

    sketch and label all possible rectangles with a perimeter of 30 cm and sides whose lengths are whole numbers help me tell my son what to do I don't understand
  22. Algebra

    How do I find the perimeter of a triangle DMG which has coordinates D(3,-2), M(3,4) and g(1,-2) - my son can't do the problem and I don't remember how to do it anymore
  23. math

    Now consider a rectangle of perimeter 20cm.let one side be x find the length of other sides in terms of x"plz help me"thnx
  24. Math

    Construct an equilateral triangle of perimeter 19.5 centimeter.Measure and verify that each angle measures 60 digrees
  25. 5th math

    What is the measure of each side of a square with a perimeter of 60 inches? this one I'm total lost . please ! show me how you do this problem. thank you!!
  26. College Algebra

    The length of a rectangle is fixed at 11cm. What widths will make the perimeter greater than 72cm?
  27. maths

    considera a rectangle with a perimeter of 24 units draw 6 rectangles of different dimension (usng natural numbers from 1 to 11)
  28. math

    The sides of a rectangle are consecutive odd integers. If the perimeter is 192 inches, what is the length of each side?
  29. ALGEBRA

    The perimeter of a rectangle is 18 ft.The length is 1 ft longer than the width. Find the deminsions using a system of linear equations.
  30. Calculus

    Find the length of the entire perimeter of the region inside r=15sin(theta) but outside r=1. I am not sure how to start the problem
  31. Math

    perimeter of a rectangular shap is 960 ft. The shortest side is 150ft. What is the length of the longest sides?
  32. geometry

    I don't get this and I need help please. Find the circumference of a circle circumscribed about a square with perimeter 48 ft. ______________ft. (Round to the nearest 0.1 ft.)
  33. math

    a. running track has a perimeter of 800*1/4meters if a runner takes five round of it how much distance did he cover?
  34. math

    the formula for the perimeter of a rectangle is 2l+2w, where l is the length and w is the width. How can you use distributive property to write an equivalent expression for 2l+2w?
  35. geometry

    in a regular polygon, with center O, and a side AB, measure of angle AOB =72 degrees. If AB is 4.6 in. find the perimeter
  36. algebra

    can someone please help me. The perimeter of a rectangle is 80m. The length is 7m more than twice and width. Find the dimensions. I would appreciate help with the steps so I can practice it for the my next problem. Thanks.
  37. geometry

    what is the perimeter of a pool 7ft wide 10ft long 4ft high? Is it 34ft squared?
  38. Physics Help

    Charge Q is uniformly distributed around the perimeter of a semicircle of radius R. What is the electric field at the circle's center?
  39. math

    hi ms.sue could you please check my answer in problem The perimeter of a square is 64ft. Find the length of a diagonal. c=22.62
  40. Maths

    The length of the rectangular field is 6m longer than 3m times its bredth.what are the measurements of the rectangle if the perimeter is 188m?
  41. math

    I want to put a 3ft wide walk around a 10ft by 15 ft pool. What is the perimeter around the figure including the path?
  42. Math

    Find the perimeter of the polygon with vertices of A(0, 0), B(4, 0) and C(2, 3). Round to the nearest tenth. Just enter one number as your answer. Help!
  43. Geometry

    The question is as follows: Two sides of an isosceles triangle with perimeter 112 cm are in the ratio 3:2. Find ALL possible lengths for the base. Please help. Thanks!
  44. math

    An equailateral triange has a side of 7cm.What is the total distance in centimetres twice round the perimeter of the shape?
  45. MATHS

    CALCULATE A PERIMETER OF A SECTOR OF A CIRCLE OF RADIUS 7CM WHICH SUBTENDS ANGLE 6ODEGREE AT A CENTRE.
  46. Geometry

    Find the perimeter of the polygon with vertices of A(0, 0), B(4, 0) and C(2, 3). Round to the nearest tenth. Just enter one number as your answer Can you please help me
  47. math

    What can be concluded about a rectangle's width if the ratio of length to perimeter is 1 to 3? Make some sketches and explain your reasoning.
  48. maths(matris)

    two sides of a rectangle differ by 3.5cm.find the dimentions of the rectangles if its perimeter is 67cm?
  49. Maths

    construct an equilateral triangle of perimeter is 19.5cm. Measure and Verify that each angles measures 60 degree
  50. math

    Thethe permiter of an equilateral triangle is given as 50 next + 30 right to different expressions to represent the perimeter use factoring to write one of the Express
  51. Algebra

    the length of a rectangular piece of land is 40 cm more than two times its width. the perimeter is 680 cm. Find its dimensions
  52. Geometry again

    This is exactly what the problem says: Two sides of an isosceles triangle with perimeter 112 cm are in the ratio 3:2. Find ALL possible lengths for the base.
  53. College Algebra

    A rancher wishes to enclose a rectangular partitioned corral with 1932 feet of fencing. What dimensions of the corral would enclose the largest possible area? Find the maxium area.
  54. Calc 2: Area under the curve

    Find the area of the region enclosed between y=2sin(x and y=3cos(x) from x=0 to x=0.4pi Hint: Notice that this region consists of two parts. Notice: I'm getting 1.73762 but apparently that is wrong.
  55. Math

    ABCD is a rectangle with area equal to 36 square units. Points E, F, and G are midpoints of the sides on which they are located. How many square units are there in the area of triangle EFG? Explain your answer in detail.
  56. Geometry

    What is the area of an equilateral triangle with sides of 10 inches and height of 7 inches? Can you please check my answer and my reasoning? A. 44 sq. in. B. 20 sq. in. C. 70 sq. in. D. 35 sq. in. I picked D, because I took 10x7=70and divided that by 2,
  57. Calculus (Area Between Curves)

    Find the area of the region IN THE FIRST QUADRANT (upper right quadrant) bounded by the curves y=sin(x)cos(x)^2, y=2xcos(x^2) and y=4-4x. You get: a.)1.8467 b.) 0.16165 c.) 0.36974 d.) 1.7281 e.) 0.37859
  58. 5th grade math

    suppose you are building a fence for a garden in your yard. your yard is 50 ft wide and has an area of 500 square ft. your father has 88 feet. how big an area would you set aside for your garden?
  59. math

    If the volume of a cylindrical block is equal to 800cm^3 prove that the total surface area is equal to 2(pi)x^2 + (1600)/x, where x cm is the radius of the base. hence obtain the value x which makes the surface area a minimum.
  60. calculus optimization max min

    find the dimensions of the rectangular area of maximum area which can be laid out within a triangle of base 12 and altitude 4 if one side of the rectangle lies on the base of the triangle thanks
  61. Physics

    a container weighing a 1.20 x 10^4 N sits on a hydraulic press piston with can area of 0.80m^2. Compressed ir exerts a force of on the second piston which has an area of 0.30m^2 How large must this force be to support the car
  62. Geometry

    Two sides of a rhombus form a 120º angle. The length of each side is 6 in. Explain how to find the area of the rhombus, and then calculate the area. Leave your answer in simplest radical form.
  63. Maths

    If the volume of a cylindrical block is equal to 800cm^3 prove that the total surface area is equal to 2(pi)x^2 + (1600)/x, where x cm is the radius of the base. hence obtain the value x which makes the surface area a minimum.
  64. Math

    If the length of a rectangle is (2x-1)cm and its width is (x+3)cm. How do i write an expression in the form ax^2+bx+c for the area of the rectangle? Given that the area of the rectangle is 294cm^2, determine the value of x and state the dimensions of the
  65. MATH

    If the volume of a cylindrical block is equal to 800cm^3 prove that the total surface area is equal to 2(pi)x^2 + (1600)/x, where x cm is the radius of the base. hence obtain the value x which makes the surface area a minimum
  66. Maximum Area

    We have 900 ft of fencing and we want to construct a back yard. If we are using the building as part of the barrier for the yard what are the dimensions that allow maximum area? I am not even sure how to start though I know I am supposed to calculate the
  67. maths

    each side of a square flower bed is 2cm and 8cm it is extended by diging strip of 30cm wide all around it,find the area of enlast and also increase in area flower bed.
  68. Geometry

    Two sides of a rhombus form a 120º angle. The length of each side is 6 in. Explain how to find the area of the rhombus, and then calculate the area. Leave your answer in simplest radical form.
  69. Math

    A rectangle has sides of length x cm and 2x - 4cm and the length x cm at time t seconds is given by x = 2 + 3t, (t>=0) . Show that the area, A cm^2 , the rectangle, in terms of t is A =12t + 18t^2 . Hence find the rate of change of the area at the
  70. math

    a blue rectangular tile and a red rectangular tile are similar. the blue tile has a length of 10 inches and a perimeter of 30 inches. the red tile has a length of 6 inches. what is the perimeter of the red tile?
  71. algebra

    Marcus has 72 feet of fencing. He wants to build a rectangular pen with the largest possible area. What should the dimensions of the rectangular pen be to maximize the area?
  72. Geometry

    What is the scale factor of the area 78in2/128in2? I know area is a2/b2. Now I took the square root and would that be my answer? Can you please do the square root because I get a looooong decimal. Thank you!
  73. AP Calculus AB

    Which integral gives the area of the region in the first quadrant bounded by the axes, y = e^x, x = e^y, and the line x = 4? The answer is an integral. I know y=e^x has no area bounded, but I don't know how to incorporate it all.
  74. Math

    The park has an area of about 25cm^2 on the map and a map has a scale of 1:15000. calculate the area of the park on the ground. give answer to Km^2
  75. math

    If a room were 2m longer and 3m broader its area would have increased by 16 sq m. if its were 1 metre shorter and 2m broader . the area would have increased by 16 sq m. find its lenght and breadth ?
  76. math

    what would have a greater surface area? a cylinder that is flat and smooth or a cylinder that is threaded? I think the smooth one will because the threads remove area that needs to be covered?
  77. Geometry

    Two cubes of volumes 8 and 27 are glued together at their faces to form a solid with the smallest possible surface area. What is the surface area of the resulting solid?
  78. Math

    Point E is the midpoint of BC of a rectangle ABCD and F is the mid point of CD, The area of Triangle AEF is 3sq.units then the area of ABCD is?
  79. algebra

    The formula for the area of a trapezoid is A = h(B + b) 2 . The area of the truss is 20 square feet. Find the height of the truss if the shorter base is the same as the height h.
  80. surface area & volume

    How can I find the surface area and volume of a hexagonal prism if I don't know the height, only apothem and one side of the base? Thank you!
  81. >_<

    The 3 sided triangle has an area of 14 in^2. Determine the lengths of the sides of the triangles.Remember that the area of a triangle is ½ bh. bottom length= x+3 side length= x
  82. Math

    The area of a triangle varies jointly as its base and altitude. By what percent will the area change if the base is increased by 15% and the altitude decreased by 25%?
  83. Calculus

    The region R is bounded by the x-axis, x = 1, x = 3, and y = 1/x^3 A) Find the area of R B) B. Find the value of h, such that the vertical line x = h divides the region R into two Regions of equal area.
  84. Math

    If a circle is inscribed in a triangle with vertex angles 30o - 60o - 90o , then what is the area of the triangle divided by the area of the circle?
  85. Algebra II

    The area of a triangle varies jointly as its base and altitude. By what percent will the area change if the base is increased by 15% and the altitude decreased by 25%?
  86. surface area and volume

    The diameter of two cones are equal if their slant height are in the ratio 5:4, find the ratio of their curved surface area
  87. math

    A cube has a total surface area of 384 ft². Find the total surface area of the largest sphere that will fit into it.
  88. maths-areas

    in triangle ABC P, Q AND R ARE the mid points of side AB, BC, CA.prove that area of parallelogram APQR=( 1/2)* area of triangle[ABC]
  89. Math (check answers)

    please check these 4.B 5.B 4.what is the side length of a square with an area of 64 m2? A.32 m B.8 m C.128 m D.64 m 5.what is the length of rectangle with an area of 12 yd2 and a width of 3 yd A.8 yd B.4 yd C.9 yd D.21 yd
  90. Pre Algebra

    The area of a square postage stamp is 81/100 in. squared. What is the side length of the stamp? What is the formula of the area of a square?
  91. Algebra II

    The area of a triangle varies jointly as its base and altitude. By what percent will the area change if the base is increased by 15% and the altitude decreased by 25%?
  92. Algebra II

    The area of a triangle varies jointly as its base and altitude. By what percent will the area change if the base is increased by 15% and the altitude decreased by 25%?
  93. Math

    The area of a triangle varies jointly as its base and altitude. By what percent will the area change if the base is increased by 15% and the altitude decreased by 25%?
  94. Math, Please check answers

    I do not want to fail this, could you please help me with number 1 and 3.D, and then check my other answers? Thank you. 1. Find and simplify the volume-to-surface-area ratio for each of the three possible ice cube shapes. You can use this chart. |Shape|
  95. math

    One of the guest rooms in my house has two walls that are 15'6" by 8 ft, and two that are 12'3" by 8 ft. When buying paint for the walls, I estimated the wall area to be about 450 sq. ft. Find my percent area. First I need to find the total area of the
  96. Math

    A rectangle garden measures 15m by 24m. A larger garden is to be made by increasing each side by the same amount. The resulting area is to be 1.5 times the original area. Find the dimensions of the new garden to the nearest tenth of a metre.
  97. geometry PLEASE

    imageshack(.)(us)/photo/my-images/42/2vja.jpg/ Open that link please , just delete the parentheses please please help me with my assignments I beg you cooperate with me huhu 1. in the figure , the areas of traingle cef, triangle abe, triangle adf are 3,4,
  98. 6th Math

    Don decided to do some landscaping in his backyard. He began by watering the lawn. The rotating sprinkler that he installed can spray an area with a radius of 7 feet. What is the maximum area the sprinkler can cover? a. 21.98 ft(2) b. 28.26 ft(2) c. 43.96
  99. math

    A farmer has 110 metres of fencing to fence off a rectangular area. Part of one side is a wall of length 15m. Find the dimensions of the field that give the maximum area. Answers: length and width = 31,25m Thank you so much for a huge help.
  100. Science plz help

    Describe how community residents and authorities can prepare for an earthquake and its aftermath. Review earthquake advice from the USGS, the American Red Cross, and other agencies. If you live in an area that is susceptible to earthquakes, include