The most difficult examples

  1. Perimeter from area
    stvorec_6 What is the perimeter of the square if its content is 64 cm2?
  2. Parabola 3
    parabola_2 Find the equation of a parabola with its focus at (0,2) and its vertex at the origin. ?
  3. Draw a trapezoid
    konstrukter Draw a trapezoid if given a = 7 cm, b = 4 cm, c = 3.5 cm, diagonal AC = 5cm. Solve as a construction task.
  4. Box and whisker plot
    box-whisker-plot Construct a box and whisker plot for the given data. 56, 32, 54, 32, 23, 67, 23, 45, 12, 32, 34, 24, 36, 47, 19, 43
  5. Right triangle
    thales_2 Draw a right triangle ABC if |AB| = 5 cm |BC| = 3 cm, |AC| = 4 cm. Draw Thales circle above the hypotenuse of the triangle ABC.
  6. 10 pieces
    circle_div How to divide the circle into 10 parts (geometrically)?
  7. Three points
    fun2 Mark three points E, F and G in the plane not lie on one line. a) Draw a line segment FG b) Construct halfline (ray) EG c) Draw a line EF
  8. The sum graphically
    fun_1 Draw a graphically sum of the all sides of 4-gon ABCD.
  9. Draw it!
    drawing_geometry Draw two lines c, d that c || d. On line c mark the points A, B. By point A lead perpendicular line to c. By point B lead perpendicular line to c.
  10. Square ABCD
    squares_5 Construct a square ABCD with cente S [3,2] and the side a = 4 cm. Point A lies on the x-axis. Construct square image in the displacement given by oriented segment SS'; S` [-1 - 4].
  11. Equation with abs
    abs Solve this equation with absolute value member: ?
  12. Lcd3
    lcd What is LCD of the equation of ? ? And what is x?
  13. Series and sequences
    seq_sum Find a fraction equivalent to the recurring decimal? 0.435643564356
  14. Solve equation
    hrusky_2 solve equation: ?
  15. 6 terms
    arithmet_seq Find the first six terms of the sequence. a1 = 7, an = an-1 + 6
  16. Diameter
     circular_plot The diameter of a circular plot is 14 dm. Find the circumference and area.
  17. Rhombus OWES
    rhombus_6 OWES is a rhombus given that OW 6cm and one diagonal measures 8cm find the area?
  18. Trapezium ABCD
    lichobeznik_5 In the figure, ABDC is a trapezium in which AB || CD. line segments RN and LM are drawn parallel to AB such that AJ=JK=KP. If AB=0.5m and AP=BQ=1.8m, find the lengths of AC, BD, RN and LM. angle D=angle C=60
  19. Unit rate
    question_1 Find unit rate: 6,840 customers in 45 days
  20. Customer
    money_20 A customer purchase three (3) writing pads from a store. She receive k9.70 change from a k10.00 note . How much was it's writing pad cost?

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