# Two diagonals

The rhombus has a side length 12 cm and length of one diagonal 21 cm. What is the length of the second diagonal?

Result

u2 =  11.619 cm

#### Solution:

Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):

Be the first to comment!

## Next similar examples:

1. Rhombus IV
Calculate the length of the diagonals of the rhombus, whose lengths are in the ratio 1: 2 and a rhombus side is 35 cm.
2. Diagonals
A diagonal of a rhombus is 20 cm long. If it's one side is 26 cm find the length of the other diagonal.
3. Diagonals in diamons/rhombus
Rhombus ABCD has side length AB = 4 cm and a length of one diagonal of 6.4 cm. Calculate the length of the other diagonal.
4. Dog
Dog is tied to a chain, which is mounted in a corner of the yard. Yard has the shape of a square with a side length of 20 meters. The same long is also dogchain. Are there places in the yard where dog can't reach?
5. Square
Rectangular square has side lengths 81 and 108 meters. How many meters will measure the path that leads straight diagonally from one corner to the other?
6. Square
Calculate the side of a square with a diagonal measurement 10 cm.
7. Square2
Side of the square is a = 12 cm, how long is its diagonal?
8. Median
In the right triangle are sides a=67 cm b=83 cm. Calculate the length of the medians tc to the hypotenuse.
9. Height UT
How long is height in the equilateral triangle with a side c = 7?
10. Trio 2
Decide whether trio of numbers is the side of a right triangle: 26,24,10.
11. Chord
In a circle with radius r=11 cm is chord 4× longer than its distance from the center. What is the length of the chord?
12. 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 ?