97. The great wall is more than 20 000 kilometers long. And about ¾ of it is considered as properly preserved.
I guess you are asking about the value of ¾ which is properly preserved in the said length of the great wall.
=> ¾ = 0.75
Thus, the formula would be like this:
=> 20 000 * .75 = 15 000
Thus, the ¾ value of great wall that is preserved is equals to 15 000 kilometers long,
Answer:
D??? sorry if im wrong
Step-by-step explanation:
In polar coordinates, the region 
is the set of points
and we have 
and 
. So the integral, converted to polar, is
Substitute 
to get
Answer:
if you know why do that but the answer is
36
I know I would like to do that too but that's wrong even if you are New to brainly
921,600
Step-by-step explanation: Ap3x
