# Pythagorean theorem + triangle - math problems

#### Number of problems found: 683

• Laws From which law follows directly the validity of Pythagoras' theorem in the right triangle? ...
• Right triangle It is given a right triangle angle alpha of 90 degrees beta angle of 55 degrees c = 10 cm use Pythagorean theorem to calculate sides a and b Find the radius of the circle using the Pythagorean theorem where a=9, b=r, c= 6+r
• Triangle Can an equilateral triangle have a right angle?
• Euclid2 In right triangle ABC with right angle at C is given side a=29 and height v=17. Calculate the perimeter of the triangle.
• Right triangle trigonometrics Calculate the size of the remaining sides and angles of a right triangle ABC if it is given: b = 10 cm; c = 20 cm; angle alpha = 60° and the angle beta = 30° (use the Pythagorean theorem and functions sine, cosine, tangent, cotangent)
• Triangle ABC Triangle ABC has side lengths m-1, m-2, m-3. What has to be m to be triangle a) rectangular b) acute-angled?
• Vertex points Given the following points of a triangle: P(-12,6), Q(4,0), R(-8,-6). Graph the triangle. Find the triangle area.
• Height 2 Calculate the height of the equilateral triangle with side 27.
• Area of a rectangle Calculate a rectangle area with a diagonal of u = 12.5cm and a width of b = 3.5cm. Use the Pythagorean theorem.
• Equilateral triangle v2 Equilateral triangle has a perimeter 36 dm. What is its area?
• Triangle Calculate the triangle sides if its area S = 630 and the second cathetus is shorter by 17.
• Equilateral triangle Find the area of an equilateral triangle with a side of 15 cm.
• Height UT How long is height in the equilateral triangle with a side b = 43?
• Equilateral triangle Calculate the area of an equilateral triangle with circumference 72cm.
• Equilateral triangle The equilateral triangle has a 23 cm long side. Calculate its content area.
• Acceleration 2 if a car traveling at a velocity of 80 m/s/south accelerated to a velocity of 100 m/s east in 5 seconds, what is the cars acceleration? using Pythagorean theorem
• Equilateral triangle Calculate the side of an equilateral triangle, if its area is 892 mm2.
• Is right triangle Decide if the triangle XYZ is rectangular: x = 4 m, y = 6 m, z = 4 m
• The rotating The rotating cone has a height of 0.9 m and the diameter of the base is 7.2 dm. Calculate the surface of the cone. (Hint: use Pythagorean theorem for a side of cone)

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See also our trigonometric triangle calculator. Pythagorean theorem is the base for the right triangle calculator. Pythagorean theorem - math problems. Triangle Problems.