Equation + area - math problems

Number of problems found: 159

  • Quadrant II
    Calculate the radius of the quadrant, which area is equal to area of circle with radius r = 15 cm.
  • Triangle ABC
    Calculate the sides of triangle ABC with area 1404 cm2 and if a: b: c = 12:7:18
  • 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.
  • Coins
    Harvey had saved up a number of 2-euro coins. He stored coins in a single layer in a square. Left 6 coins. When he make square, which has one more row, missing 35 coins. How many euros he have?
  • Two squares
    Two squares whose sides are in the ratio 5:2 have a sum of its perimeters 73 cm. Calculate the sum of the area of these two squares.
  • 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.
  • Trapezoid MO
    The rectangular trapezoid ABCD with the right angle at point B, |AC| = 12, |CD| = 8, diagonals are perpendicular to each other. Calculate the perimeter and area of ​​the trapezoid.
  • Right Δ
    A right triangle has the length of one leg 11 cm and the hypotenuse 61 cm size. Calculate the height of the triangle.
  • Radius
    Determine the radius of the circle if its perimeter and area is the same number.
  • 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.
  • Cubes
    Surfaces of cubes, one of which has an edge of 48 cm shorter than the other, differ by 36288 dm2. Determine the length of the edges of this cubes.
  • R triangle
    Calculate the right triangle area whose longer leg is 6 dm shorter than the hypotenuse and 3 dm longer than the shorter leg.
  • Special cube
    Calculate the edge of cube, if its surface and its volume is numerically equal number.
  • Heron backlaw
    Calculate missing side in a triangle with sides 25 and 13 and area 152.
  • Right triangle
    Legs of the right triangle are in the ratio a:b = 2:8. The hypotenuse has a length of 87 cm. Calculate the perimeter and area of the triangle.
  • Rectangle
    Area of rectangle is 3002. Its length is 41 larger than the width. What are the dimensions of the rectangle?
  • Trapezoid
    Calculate the area of trapezoid ABCD with sides |AB|= 50 cm, |BC|=25 cm, |CD|=10 cm, |AD|=25 cm..
  • Right triangle Alef
    The obvod of a right triangle is 84 cm, and the hypotenuse is 37 cm long. Determine the lengths of the legs.

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