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# Have I done this correctly? watch

1. http://prntscr.com/az6jmc

Have I done this correctly? If not what have I done wrong thanks.
2. (Original post by junayd1998)
http://prntscr.com/az6jmc

Have I done this correctly? If not what have I done wrong thanks.
Unfortunately not! You've found the area contained within the square but outside the circle, but that isn't the shaded area.

The shaded area is the area of the square (6 * 6) minus the area of the quarter circle.
3. There's the solution. I don't believe you'd have to factorise it at the end, leaving it as it is would be fine.
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4. (Original post by Zacken)
Unfortunately not! You've found the area contained within the square but outside the circle, but that isn't the shaded area.

The shaded area is the area of the square (6 * 6) minus the area of the quarter circle.
Yeah iv found the area in the square. Then the area in the circle . Then taken them away to be left with the four parts, one of them being the shaded region so I divided by 4?
5. (Original post by junayd1998)
Yeah iv found the area in the square. Then the area in the circle . Then taken them away to be left with the four parts, one of them being the shaded region so I divided by 4?
Well, you could do that, but you haven't done the subtraction properly.

. Instead, is as simplified as possible (bar factorisation).
6. (Original post by Zacken)
Well, you could do that, but you haven't done the subtraction properly.

. Instead, is as simplified as possible (bar factorisation).
huh I'm so done with maths.
7. (Original post by junayd1998)
huh I'm so done with maths.
Well, yeah. is just a number and is the number 36 multiplied by the number pi.

Do you think that ?
8. (Original post by Zacken)
Well, yeah. is just a number and is the number 36 multiplied by the number pi.

Do you think that ?
So could you just leave it as: x = 144-36pi / 4 ?
9. (Original post by junayd1998)
So could you just leave it as: x = 144-36pi / 4 ?
Well, simplify it down a bit to
10. (Original post by Zacken)
Well, simplify it down a bit to
Fair enough yeah i get it now thanks for the help.
11. (Original post by junayd1998)
Fair enough yeah i get it now thanks for the help.
Cheers.

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