Perimeter - examples

  1. Rectangular trapezoid
    rt_licho The rectangular trapezoid ABCD is: /AB/ = /BC/ = /AC/. The length of the median is 6 cm. Calculate the circumference and area of a trapezoid.
  2. The rope
    rhombus-diagonals_2 A 68 centimetre long rope is used to make a rhombus on the ground. The distance between a pair of opposite side corners is 16 centimetres what is the distance between the other two corners?
  3. Pentagon
    5gon Calculate the length of side, circumference and area of a regular pentagon, which is inscribed in a circle with radius r = 6 cm.
  4. Garden plot
    plot Calculate how many meters of fence need to fence the square garden with length and width of 5 meters.
  5. Playground
    playground_fencing Rectangular playground is fenced with 40 m long netting. Its width is 7 m. Calculate its length.
  6. Square diagonal
    square_d Calculate length of the square diagonal if the perimeter is 200 cm.
  7. Rhombus
    rhombus_3 Find the length of each side of rhombus if the perimeter is 17 mm long.
  8. Mr. Zucchini
    cuketa Mr. Zucchini had a rectangular garden whose perimeter is 28 meters. Content area of the garden 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
  9. Angles and sides of the triangle
    trig Triangle ABC has a circumference of 26 cm. Lengths of the sides are as follows: a = 11.2 cm; b = 6.5 cm. Arrange the interior angles in order of its size. ?
  10. Radius
    green_circle Determine the radius of the circle, if its perimeter and area is the same number.
  11. Isosceles triangle
    isosceles-triangle-quilt Calculate the perimeter of isosceles triangle with arm length 19 cm and base length of 26 cm.
  12. Arc
    arc_1 Circle arc corresponding to angle is 193° is 23 dm long. What is the length of the entire circle?
  13. Estate
    semicircle Semicircle estate must be fence. The straight section has 44 meters long fence. How many meters of fence should buy?
  14. Rectangle
    rectangle_1 Calculate perimeter of the rectangle with sides a=6.3 m and b=2.5 m.
  15. Hexagon
    sestuholnik Draw a regular hexagon inscribed in a circle with radius r=6 cm. What is its perimeter?
  16. Parallelogram
    rovnobeznik Calculate the area and perimeter of a parallelogram whose two sides are long a=10 cm b=22 cm and height ha = 4 cm long.
  17. Rhombus HP
    rhombus3_1 Calculate area of the rhombus with height 98 mm and perimeter 20 mm.
  18. Triangles
    green_triangle Equilateral triangle with side 25 cm has the same perimeter as an isosceles triangle with arm of 32 cm. Calculate the base x of an isosceles triangle.
  19. Circle
    circle_1 What is the radius of the circle whose perimeter is 10 km?
  20. Mine
    minetower Wheel in traction tower has a diameter 5 m. How many meters will perform an elevator cabin if wheel rotates in the same direction 10 times?

Do you have interesting mathematical example that you can't solve it? Enter it and we can try to solve it.

To this e-mail address we will reply solution; solved examples are also published here. Please enter e-mail correctly and check whether you don't have a full mailbox.