# Diamond diagonals

Calculate the diamond's diagonal lengths if its content is 156 cm

^{2}and the side length is 13 cm.**Result****Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):**

**Showing 0 comments:**

**Be the first to comment!**

#### To solve this example are needed these knowledge from mathematics:

## Next similar examples:

- Rhombus

The rhombus with area 68 has one diagonal is longer by 6 than second one. Calculate the length of the diagonals and rhombus sides. - Rectangle

Calculate area of the rectangle if its length is 12 cm longer than its width and length is equal to the square of its width. - Roots

Determine the quadratic equation absolute coefficient q, that the equation has a real double root and the root x calculate: ? - Geometric seq

Find the third member of geometric progression if a1 + a2 = 36 and a1 + a3 = 90. Calculate its quotient. - Right angled triangle

Hypotenuse of a right triangle is 17 cm long. When we decrease length of legs by 3 cm then decrease its hypotenuse by 4 cm. Determine the size of legs. - Theorem prove

We want to prove the sentense: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started? - Linsys2

Solve two equations with two unknowns: 400x+120y=147.2 350x+200y=144 - Quadratic equation

Find the roots of the quadratic equation: 3x^{2}-4x + (-4) = 0. - Discriminant

Determine the discriminant of the equation: ? - Equation

Equation ? has one root x_{1}= 8. Determine the coefficient b and the second root x_{2}. - Square root 2

If the square root of 3m^{2}+22 and -x = 0, and x=7, what is m? - Evaluation of expressions

If a^{2}-3a+1=0, find (i)a^{2}+1/a^{2}(ii) a^{3}+1/a^{3} - Expression with powers

If x-1/x=5, find the value of x^{4}+1/x^{4} - Expressions 3

If k(x+6)= 4x^{2}+ 20, what is k(10)=? - Algebra

X+y=5, find xy (find the product of x and y if x+y = 5) - Elimination method

Solve system of linear equations by elimination method: 5/2x + 3/5y= 4/15 1/2x + 2/5y= 2/15 - Combinations

From how many elements we can create 990 combinations 2nd class without repeating?