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

Number of problems found: 107

  • Ratio of perimeters
    rectangle Rectangle ABCD has dimensions 3 cm and 4 cm, KLMN rectangle has dimensions 4 cm and 12 cm. Calculate the ratio of the perimeter ABCD and perimeter KLMN.
  • Rectangle 45
    rectangles2 The perimeter of a rectangle is 60cm. If the length of the rectangle is 20cm. a)find the width b)find the area.
  • Quarter circular
    quarter_circle The wire that is hooked around the perimeter of quarter-circular arc has length 3π+12. Determine the radius of circle arc.
  • Do you solve this?
    rectangles Determine area S of rectangle and length of its sides if its perimeter is 102 cm.
  • Triangles
    green_triangle Equilateral triangle with side 40 cm has the same perimeter as an isosceles triangle with arm of 45 cm. Calculate the base x of an isosceles triangle.
  • Rectangle 39
    rectnagles Find the perimeter and area of the rectangular with vertices (-1, 4), (0,4), (0, -1), and (-4, 4)
  • Ratio - rectangle
    rectangles The rectangle has dimensions 6 cm and 9 cm. How many times increases area and its perimeter, when its dimensions increase in the ratio 5:3?
  • Parallelogram
    rovnobeznik Calculate the area and perimeter of a parallelogram whose two sides are long a=24 cm b=22 cm and height ha = 6 cm long.
  • Mr. Zucchini
    cuketa Mr. Zucchini had a rectangular garden whose perimeter is 28 meters. The garden's content area filled just four square beds, whose dimensions in meters are expressed in whole numbers. Determine what size could have a garden. Find all the possibilities and
  • The diameter
    circles The diameter of a circle is 4 feet. What is the circle's circumference?
  • Semicircle
    semicircles_rect Calculate the length of a semicircle with a radius of 6cm.
  • Diamond
    koso The diamond has a circumference of 48cm. Calculate the length of its side in dm.
  • Circle - easy 2
    circle The circle has a radius 6 cm. Calculate:
  • Diameter
     circular_plot The diameter of a circular plot is 14 dm. Find the circumference and area.
  • The equator
    earth Calculate the length of the equator. Calculate a radius of 6378 km. Round to the nearest thousand. - Procedure and calculation
  • Plot
    plot The land is in the shape of a square with a dimension of 22 meters. How much will we pay for the fence around the entire plot?
  • Circle simple
    circles Circumference of a circle is 6.28. What is the area of the circle?
  • Odometer
    s-l1000 The odometer is driven by the rotation of the wheel, whose diameter is 65 cm. After how many rotations, the wheel turns counter to the next kilometer?
  • Athlete
    sportovec How long length run athlete when the track is circular shape of radius 120 meters and an athlete runs five times in the circuit?
  • Bicycle wheel
    wheel Bicycle wheel diameter is 62 cm. How many times turns the bicycle on the road 1 km long?

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