Well let's see.
If the figure is split up into 10 pieces, then
each piece is 1/10 of the whole figure.
If 2 of the pieces are shaded, then
2/10 of the whole figure is shaded.
How many pieces are left ?
There were 10 pieces all together, and
2 of them are shaded. Hmmm. I think
there are probably (10 - 2) = 8 of them left
that are not shaded.
8 pieces makes 8/10 of the whole figure.
Circumference = 2 x r x pi
Circumference = 2 x 11 x pi
Circumference = 22pi or 69.08 inches depending on what format the answer is supposed to be in.
I'm not 100% positive, but from my calculatons, the answer is C.
4/9 + 1/5 (common denominator is 45)
20/45 + 9/45 = 29/45
The division is using extra zeros.
2 * 16 = 32, but 3200 was placed below 3426.
Now 1 * 16 = 16, so 160 goes below 226.
The number that goes in the box is 160.
