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Those are called factorials. :)

You're welcome!

Thank you!

7!=7*6*5*4*3*2*1

The length is 21.

May you please give me an example?

The diagonal divides the square into 2 isoseles right triangles.  It is like a line dividing the square (or any shape)

What is a diagonal?

The answer is 0.5.

Sin top left squared bottom left.Shows x and a 2 then type 75

sin(^2*75 = .5 = 1/2

woohoo! happy to help

Thank you jboy314 :)

jboy314, that is a great answer.

In a rhombus each diagonal bisects the other to form 4 right triangles.  The side lengths of these triangles will be half the diagonal lengths since the diagonals were bisected.  This leaves us triangles with side lengths of 20 and 48 with the hypotenuse being a side length of the rhombus.  Apply the pythagorean theorem:

20^2+48+2=h^2

400+2304=h^2

2704=h^2

sqrt(2704)=h

52=h

The diagonals are the sides of a rhombus?

no problem :D

Thanks Rose98.

17.4% = .174

What do you mean just move the decimal point back 2 places?

Just move the decimal point back two places

6.51% = 651/10,000 = 0.0651

I think this is it :)

Web2.0calc is the best website ever!

If you hate math, there would be no video games or the stuff that you like.

You add by counting. Example:

2+2=4