# Triangle + Pythagorean theorem - math problems

#### Number of problems found: 643

- 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 radius

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=27 and height v=12. 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. - Equilateral triangle v2

Equilateral triangle has a perimeter 36 dm. What is its area? - Area of a rectangle

Calculate the area of a rectangle with a diagonal of u = 12.5cm and a width of b = 3.5cm. Use the Pythagorean theorem. - 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. - Triangle

Calculate the sides of the triangle if its area S = 630 and the second cathethus is shorter by 17. - 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 mm^{2}. - 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) - Proof PT

Can you easily prove Pythagoras theorem using Euclidean theorems? If so, do it. - EQL triangle

Calculate inradius and circumradius of equilateral triangle with side a=77 cm.

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