Area of the shape + Heron's formula - math problems

Number of problems found: 36

  • Trapezoid and diagonals
    Find the area of a trapezoid with bases a = 24 cm, c = 16 cm and diagonals u = 22 cm, v = 26 cm.
  • Circle inscribed
    There is a triangle ABC and a circle inscribed in this triangle with radius 15. The point T is the point of contact of the inscribed circle with the side BC. What is the area of the triangle ABC if | BT | = 25 a | TC | = 26?
  • Parallelogram ABCD
    We have the parallelogram ABCD, where AB is 6.2 cm BC is 5.4 cm AC is 4.8 cm calculate the height on the AB side and the angle DAB
  • Calculate triangle
    In the triangle ABC, calculate the sizes of all heights, angles, perimeters and its area, if given a-40cm, b-57cm, c-59cm
  • Four sides of trapezoid
    Calculate the area of the ABCD trapezoid with sides a = 65 cm, b = 29 cm, c = 40 cm, d = 36 cm
  • Gardens
    The area of the square garden is 3/4 of the area of the triangular garden with sides of 80 m, 50 m, 50 m. How many meters of the fence do we need to fence a square garden?
  • Annulus from triangle
    Calculate the content of the area bounded by a circle circumscribed and a circle inscribed by a triangle with sides a = 25mm, b = 29mm, c = 36mm
  • Compute 4
    Compute the exact value of the triangle area with sides 14 mi, 12 mi, and 12 mi long.
  • Circular railway
    The railway connects in a circular arc the points A, B, and C, whose distances are | AB | = 30 km, AC = 95 km, BC | = 70 km. How long will the track from A to C?
  • One trapezium
    One trapezium has AB=24M, BC=36M, CD=80M, DA=80M long sides. Find the area.
  • Sss triangle
    Calculate the area and heights in the triangle ABC by sides a = 8cm, b = 11cm, c = 12cm
  • Is right triangle or not
    If right triangle ABC, have sides a=13, b=11.5, c=22.5. Find area.
  • Sides of the triangle
    Calculate triangle sides where its area is S = 84 cm2 and a = x, b = x + 1, xc = x + 2
  • The farmer
    The farmer would like to first seed his small field. The required amount depends on the seed area. Field has a triangular shape. The farmer had fenced field, so he knows the lengths of the sides: 119, 111 and 90 meters. Find a suitable way to determine th
  • Trapezoid - hard example
    Base of the trapezoid are: 24, 16 cm. Diagonal 22, 26 cm. Calculate its area and perimeter.
  • Park
    In the newly built park will be permanently placed a rotating sprayer irrigation of lawns. Determine the largest radius of the circle which can irrigate by sprayer P so not to spray park visitors on line AB. Distance AB = 55 m, AP = 36 m and BP = 28 m.
  • Triangle
    The triangle has known all three sides: a=5.5 m, b=5.3 m, c= 7.8 m. Calculate area of ​this triangle.
  • Diamond
    Rhombus has side 17 cm and and one of diagonal 22 cm long. Calculate its area.
  • Triangle ABC
    Calculate the sides of triangle ABC with area 1404 cm2 and if a: b: c = 12:7:18
  • Described
    Calculate perimeter of the circle described by a triangle with sides 478, 255, 352.

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See also our trigonometric triangle calculator. Examples of area of plane shapes. Heron's formula - math problems.