Perimeter - 6th grade (11y) - math problems

Number of problems found: 107

  • Bike wheel
    wheel The bike wheel has a radius of 30cm. How many times does it turn if we go on a 471m bike?
  • Cellar
    img1 Cellar for storing fruit has a rectangular base with sides 14 m and 7 meters. You should paint sidewall to 2 m. How m2 surface must be painted?
  • Floor
    podlaha Rectangular floor of living room has a length 5.4 meters and a circumference 17.2 meters. What is its width?
  • Central angle
    obluk What is the length of the arc of a circle with a diameter of 46 cm, which belongs to a central angle of 30°?
  • The parallelogram
    rovnobeznik The parallelogram has one side 2 dm long, which is one-sixth of its circumference. How many cm does the other side of the parallelogram measure?
  • The playground
    playground The playground has the shape of a square with a side of 64 m. It is fenced on three sides. What is the area of the playground and how long is its fence?
  • Minute-hand
    hands How long distance will travel a large (minute) hand on the clock for 48 minutes, if its length is 56 cm?
  • Square s3
    squares Calculate the diagonal of the square, where its area is 0.49 cm square. And also calculate its circumference.
  • Ferris wheel
    ruske-kolo Ferris wheel reaches to 22 m tall and moves at the speed of 0.5m/s. During one drive wheel rotates three times. What is the total drive time?
  • Rectangle
    rectangle The length of one side of the rectangle is three times the length of the second side. What are the dimensions of the rectangle if its circumference 96 cm?
  • Curved surface area CSA
    cylinder A cylinder 5cm high has a base radius(7/2) cm. Calculate the curved surface area.
  • Second side
    rectangles2 Calculate the length of the other side of the rectangle if its circumference is 60 cm and one side is 10 cm long.
  • Isosceles triangle
    rr_triangle3 The circumference of the isosceles triangle is 32.5 dm. Base length is 153 cm. How long is the leg of this triangle?
  • Running
    oval The length of the inner edge of the running oval is 400 m. The straight sections measure 90 m. Calculate the dimensions of the oval - the rectangle where this oval can fit.
  • Velocipede
    velociped The front wheel of velocipede from the year 1880 had a diameter 1.8 m. Suppose the front wheel turned again one, then the rear wheel 6 times. What was the diameter of the rear wheel?
  • Sum of the edges
    cube_shield The sum of the lengths of all edges of the cube is 72 cm. How many cm2 of colored paper are we going to use for sticking?
  • Arm-leg
    triangles2 Calculate the length of the base of an isosceles triangle with a circumference 224 cm if the arm length is 68 cm.
  • Gardens
    garden The garden has the square shape with circumference 124 m. Divide it into two rectangular gardens, one should circumference 10 meters more than the second. What size will have a gardens?
  • Unknown number 24
    ctverce I think the number: a - is the same as the square area that has the 12th circumference. What is this number? b - its half is 7 times bigger than its quarter. Is this the number?
  • Triangular prism
    prism_rt Calculate a triangular prism if it has a rectangular triangle base with a = 4cm and hypotenuse c = 50mm and height of the prism is 0.12 dm.

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Perimeter - math problems. Examples for 6th grade (the sixth graders).