Square root + area - math problems

Number of problems found: 109

  • Garden
    The area of a square garden is 2/9 of triangle garden with sides 160 m, 100 m, and 100 m. How many meters of fencing need to fence a square garden?
  • Similarity
    The area of the regular 10-gon is 563 cm2. The area of similar 10-gon is 606 dm2. What is the coefficient of similarity.
  • Scale
    The swimming pool is long 110 m and 30 m wide. The plan of the city is shown as a rectangle with an area 8.25 cm2. What scale is the city plan?
  • Rectangular cuboid
    The rectangular cuboid has a surface area 5334 cm2, and its dimensions are in the ratio 2:4:5. Find the volume of this rectangular cuboid.
  • Cone
    Circular cone of height 15 cm and volume 5699 cm3 is at one-third of the height (measured from the bottom) cut by a plane parallel to the base. Calculate the radius and circumference of the circular cut.
  • Area of RT
    Calculate the right triangle area that hypotenuse has length 14, and one hypotenuse segment has length 5.
  • Area 4gon
    Calculate the area of 4-gon, two, and the two sides are equal and parallel with lengths 11, 5, 11, and 5. Inner angles are 45°, 135°,45°, 135°.
  • Area of RT
    The right triangle has orthogonal projections of legs to the hypotenuse lengths 15 cm and 9 cm. Determine the area of ​​this triangle.
  • Square
    Points A[9,9] and B[-4,1] are adjacent vertices of the square ABCD. Calculate the area of the square ABCD.
  • Square 2
    Points D[10,-8] and B[4,5] are opposed vertices of the square ABCD. Calculate area of the square ABCD.
  • Cubes
    One cube is an inscribed sphere and the other one described. Calculate the difference of volumes of cubes, if the difference of surfaces in 257 mm2.
  • Axial section
    The axial section of the cone is an equilateral triangle with area 168 cm2. Calculate the volume of the cone.
  • Rotation
    The right triangle with legs 11 cm and 18 cm rotate around the longer leg. Calculate the volume and surface area of the formed cone.
  • Right isosceles
    Calculate area of the isosceles right triangle which perimeter is 26 cm.
  • Pyramid roof
    2/4 of the area of ​​the roof-shaped regular tetrahedral pyramid with base edge 10 m and height of 4 m is already covered with roofing. How many square meters still need to be covered?
  • Circles
    The areas of the two circles are in the ratio 2:20. The larger circle has a diameter 20. Calculate the radius of the smaller circle.
  • Circles 2
    Calculate the area bounded by the circumscribed and inscribed circle in triangle with sides 12 cm, 14 cm, 18 cm.
  • Sphere
    The surface of the sphere is 12100 cm2, and the weight is 136 kg. What is its density?
  • Garden
    How many steps of 76 cm circumvent square garden with area 1.8 ha?
  • Equilateral triangle
    Calculate the side of an equilateral triangle if its area is 892 mm2.

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Square root - math problems. Area - math problems.