Answer:
Option D) 254.3 cm2
Step-by-step explanation:
we know that
The area of a circle is equal to

we have

substitute

Answer:
The median grade would be 89
Step-by-step explanation:
To find the median, first put the numbers all in ascending order.
79, 80, 86, 92, 95, 96
Now isolate the middle term or terms. Since there is an even amount of numbers, we pick the two in the middle. To find the median, we take an average of those terms.
(86 + 92)/2 = 89
Area of a square is length times by itself (length x width) so 12 cm x 12 cm
144cm squared
hope i helped :)
Answer:
pretty sure its D. 1.6 x 10^9