For the full circle, Area = pi(r)^2
pi x 1^2 = pi
Semi circle = pi/2 = 1.57 square feet
14:16 21:24 28:32 are three ratios that are equivalent
3x+18
Step-by-step explanation:
Answer:

Step-by-step explanation:
In the fifth grade class,
of the girls have brown hair. Again among those of the brown-haired girls,
of them have long hair.
We are asked to find the fraction of the girls who have long brown hair in the class.
The fraction of the total students which have long brown hair will be (
) =
. (Answer)