Pythagorean theorem - 9th grade (14y) - math problems

Number of problems found: 581

  • Median
    median_rt In the right triangle are sides a=96 dm b=31 dm. Calculate the length of the medians tc to the hypotenuse.
  • Height
    equilateral_triangle Calculate height of the equilateral triangle if its perimeter is 8?
  • Equilateral triangle v2
    eq_triangle Equilateral triangle has a perimeter 36 dm. What is its area?
  • Triangle
    Triangle_trig Calculate the triangle sides if its area S = 630 and the second cathetus is shorter by 17.
  • 4s pyramid
    pyramid_regular Regular tetrahedral pyramid has a base edge a=17 and collaterally edge length b=32. What is its height?
  • Equilateral triangle
    rs_triangle2 Find the area of an equilateral triangle with a side of 15 cm.
  • Hexagon
    hexa_prism Calculate the regular hexagonal prism's surface whose base edge a = 12cm and side edge b = 3 dm.
  • Square circles
    stvorec_kruh Calculate the length of the described and inscribed circle to the square ABCD with a side of 5cm.
  • Cube in sphere
    sphere4 The sphere is an inscribed cube with an edge of 8 cm. Find the sphere's radius.
  • Park
    diamond In the park is marked diamond shaped line connecting locations A, D, S, C, B, A. Calculate its length if |AB| = 108 m, |AC| = 172.8 m.
  • Tetrahedron
    tetrahedron (1) Calculate height and volume of a regular tetrahedron whose edge has a length 6 cm.
  • Diamond
    diagonals-rhombus Calculate the length of the two diagonals of the diamond if: a = 13 cm v = 12 cm
  • Distance between 2 points
    axes2 Find the distance between the points (7, -9), (-1, -9)
  • Equilateral triangle
    equilateral_triangle2 Calculate the area of an equilateral triangle with circumference 72cm.
  • Equilateral triangle
    rs_triangle The equilateral triangle has a 23 cm long side. Calculate its content area.
  • Right angle
    triangles If a, b and c are two sides of a triangle ABC, a right angle in A, find the value on each missing side. If b=10, c=6
  • Body diagonal
    cubes3 Find the cube surface if its body diagonal has a size of 6 cm.
  • Triangular pyramid
    TriangularPyramid What is the volume of a regular triangular pyramid with a side 3 cm long?
  • Semicircle
    semicircle To a semicircle with diameter 10 cm inscribe square. What is the length of square sides?
  • Is right triangle
    triangle_1111 Decide if the triangle XYZ is rectangular: x = 4 m, y = 6 m, z = 4 m

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Pythagorean theorem is the base for the right triangle calculator. Pythagorean theorem - math problems. Examples for 9th grade.