Planimetrics - math problems

Study plane measurements, including angles, distances, and areas. In other words - measurement and calculation of shapes in the plane. Perimeter and area of plane shapes.

Number of problems found: 2090

  • One hectare
    land_1 How many square meters are one hectare?
  • N-gon
    ngon How many diagonals has convex 11-gon?
  • Diagonal
    diamond Can be a diagonal of diamond twice longer than it side?
  • Semicircle
    semicircles_rect Calculate the length of a semicircle with a radius of 6cm.
  • Diagonals
    diagonals_1 What x-gon has 54 diagonals?
  • Add vector
    vectors_2 Given that P = (5, 8) and Q = (6, 9), find the component form and magnitude of vector PQ.
  • Triangle
    eq_triangle Can an equilateral triangle have a right angle?
  • Q-Exam
    unitCircle If tg α = 9.6, Calculating sin α, cos α, cotg α .
  • 9-gon
    9gon Sum of interiol angles of 9-gon is:
  • 4-gon
    trapezoid It is true that a 4-gon whose two sides are parallel and the other two has equal length, is a parallelogram?
  • Euclid2
    euclid In right triangle ABC with right angle at C is given side a=29 and height v=17. Calculate the perimeter of the triangle.
  • Clock
    clock How long is trajectory of second hand of hours for day, if is 15 mm long?
  • Diagonal
    rhombus Can a rhombus have the same length diagonal and side?
  • Center traverse
    trianles Does the middle traverse indeed bisect the triangle?
  • Adding shapes
    rectangle_13 5 triangles + 1 square = how many sides in all
  • Diamond
    koso_4 The diamond has a circumference of 48cm. Calculate the length of its side in dm.
  • Percitipation - meteo
    percipitation Do you have any tip for calc percitipation on a lnd ? Example on 2 ha falls to 5 mm, how many cubic meters is it?
  • Complementary angles 2
    complementary_angles Two complementary angles are (x+4) and (2x - 7) find the value of x
  • Shade
    box3 Shade the area on the grid that shows 5/8 x 2/4
  • Height
    thales_law Is it true that the height is less or equal to half of the hypotenuse in any right triangle?

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