Calculate the missing side of a parallelogram, if you know the perimeter o and one side:

a) o = 7.2 cm; b = 1.8 cm
b) o = 5.4 cm; a = 1.9 cm


a =  1.8 cm
b =  0.8 cm


Solution in text a =
Solution in text b =

Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):

Showing 0 comments:
1st comment
Be the first to comment!

To solve this example are needed these knowledge from mathematics:

Next similar examples:

  1. Parallelogram
    rovnobeznik_2 In the parallelogram we know one internal angle 67°33`. Calculate the other internal angles.
  2. 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.
  3. Circle r,D
    bavlnka Calculate the diameter and radius of the circle if it has length 52.45 cm.
  4. Arm-leg
    triangles2 Calculate the length of the base of an isosceles triangle with a circumference 96 cm if the arm length is 29 cm.
  5. Circle
    circle_1 What is the radius of the circle whose perimeter is 6 cm?
  6. Clock hands
    clocks2_16 The second hand has a length of 1.5 cm. How long does the endpoint of this hand travel in one day?
  7. Bicycle wheel
    cyklo2_2 After driving 157 m bicycle wheel rotates 100 times. What is the radius of the wheel in cm?
  8. Flowerbed
    garden_16 In the park there is a large circular flowerbed with a diameter of 12 m. Jakub circulated him ten times and the smaller Vojtoseven times. How many meters each went by and how many meters did Jakub run more than Vojta?
  9. Simplify 2
    expr Simplify expression: 5ab-7+3ba-9
  10. Alley
    stromy_6 Alley measured a meters. At the beginning and end are planted poplar. How many we must plant poplars to get the distance between the poplars 15 meters?
  11. Hotel
    hotel The hotel has a p floors each floor has i rooms from which the third are single and the others are double. Represents the number of beds in hotel.
  12. Simple equations
    enc2 Solve system of equations: 5x+3y=5 5x+7y=25
  13. Simplify
    numbers3_1 Simplify the following problem and express as a decimal: 5.68-[5-(2.69+5.65-3.89) /0.5]
  14. Two machines
    machine_2 Performances of two machines are in a ratio of 7:12. A machine with less power produced 406 pieces of products per shift. a) How many pieces produced per shift second machine? b) How many pieces produced two machines together for five shifts?
  15. Seeds 2
    seed How many seeds germinated from 1000 pcs, when 23% no emergence?
  16. Combine / add term
    combine Combine like terms 4c+c-7c
  17. Iron
    250px-Iron_electrolytic_and_1cm3_cube Iron ore contains 57% iron. How much ore is needed to produce 20 tons of iron?