How many 3/4 cups of milk would be needed to make 21 cups of milk for a large recipe?
<span>Let A = the area of the whole circle
Let S = the area of the shaded portion</span><span>
The shaded area is a portion of the circle that is determined by the ratio of the shaded sector to the whole circle of 360 degrees, or
S = (60/360) </span>× <span>A = ( 1 / 6 ) </span>× 12 = 2 ;
For
, we have
and so
which is, again, only valid for
.
Number 1 is A, number 2 is B number three is D
