Right triangle - examplesSee also our right triangle calculator.
- Rhombus MATH
Construct a rhombus M A T H with diagonal MT=4cm, angle MAT=120°
- Truncated cone 5
The height of a cone 7 cm and the length of side is 10 cm and the lower radius is 3cm. What could the possible answer for the upper radius of truncated cone?
- Isosceles trapezoid
Calculate the content of an isosceles trapezoid whose bases are at ratio 5:3, the arm is 6cm long and it is 4cm high.
- Tree shadow 3
A 2-meter rod casts a shadow 3.2 m long. How high is a tree with a shadow of 14.4 m ?
- Water channel
The cross section of the water channel is a trapezoid. The width of the bottom is 19.7 m, the water surface width is 28.5 m, the side walls have a slope of 67°30' and 61°15'. Calculate how much water flows through the channel in 5 minutes if the water flow
- Is right?
Is triangle with sides 24, 51 and 45 right triangle?
- Proof PT
Can you easy prove Pythagoras theorem using Euclidean theorems? If so, do it.
- Reverse Pythagorean theorem
Given are lengths of the sides of the triangles. Decide which one is rectangular: Δ ABC: 73 m, 66 m, 51 m ? Δ DEF: 63 cm, 105 cm, 84 cm ? Δ GHI: 50 dm, 48 dm, 14 dm ? Δ JKL: 31 m, 45 m, 40 m ? Δ MNO: 28 m, 53 m, 45 m ?
- It is rectangular?
Size of two of the angles in a triangle are: α=60°, β=20°. Is it a right triangle?
Are two right triangles similar to each other if the first one has a acute angle 10° and second one has acute angle 50°?
Can be rectangular triangle equilateral?
Is right that in any right triangle height is less or equal half of the hypotenuse?
Trunk diameter is 72 cm. Is it possible to inscribe a square prism with side 54 cm?
- Triangle P2
Can triangle have two right angles?
- Right Δ
Right triangle has length of one leg 7 cm and length of the hypotenuse 25 cm. Calculate the height of the triangle.
- Square diagonal
Calculate length of the square diagonal if the perimeter is 200 cm.
Calculate the length of the diagonal of the rectangle ABCD with sides a = 6 cm, b = 7 cm.
Ladder 5 m long is leaning against the wall. It foot is 0.9 m away from the wall. In which height ladder touch the wall?
Railways climb 5.8 ‰. Calculate the height difference between two points on the railway distant 2389 meters.
- Cube diagonal
Determine length of the cube diagonal with edge 55 dm.