Answer:
254 square inches
Step-by-step explanation:
A=pi*r^2
A=pi*(d/2)^2
A=3.14*(18/2)^2
A=3.14*(9)^2
A=3.14*81
A=254.34 in^2
So, rounded no the nearest whole, the answer is 254 in^2
Which is option 2 or B
Answer:
according to theorm 8 of basic geometry the answer is 6
The opposite reciprocal of -1/9 is 9
So the answer is A
Answer:
x = 30
Step-by-step explanation:
Put in proportions =
Cross multiply and get 27x = 45 x 18
OR...
27x = 810.
THEN...
divide by 27 on both sides to get 30
x = 30