Question

Help plese
@3mar

Answer 1

http://prntscr.com/d2qie5

Answer 2

What did you get?

Answer 3

I'm trying to find out the lenght of the sides

Answer 4

Great!
I think it could be done by this formula.
And I am sure you know it.

Answer 5

Got them?

Answer 6

3.16 and 6.32?

Answer 7

Excellent!

But as he said: don't round at any steps, you should type them as they are...
\[\sqrt{10}...\sqrt{40}\]
then you multiply them to get the area of the rectangle
\[area=length×width=\sqrt{10}×\sqrt{40}=\sqrt{400}=20 unit^2\]

Answer 8

To get pure 20, you should not round at any steps as he told you!

Answer 9

Okay.

Answer 10

I hope I helped you.

Answer 11

and Thank you for the medal!

Answer 12

Yes! So i calculated it so would 20 be me answer

Answer 13

Absolutely!

Answer 14

Any more questions?