Answer:
b
Step-by-step explanation:
did it in class
It's not a multiple choice answer is it?
The formula for a regular polygon, which this one is, is A = 1/2 ap where a is the apothem and p is the perimeter. 20.8 * 7 = 145.6 which is the perimeter, so now just multiply by 21.6 and .5. 145.6 * 21.6 * .5 = 1572.48, or B above.
Answer: 1/24
Step-by-step explanation:
you need to use kcf ( keep the first fraction change division into multiplication and flip the other fraction)
turn 12 into 12/1 and then just divide.
1/2 x 1/12
= 1/24