I’m not sure maybe 81. Sorry if I’m wrong
D = 101/4
if you need it in decimal form it is 25.25
if you need it in mixed number form it is 25 1/4
Common Examples of Irrational Numbers
Pi, which begins with 3.14, is one of the most common irrational numbers. ...
e, also known as Euler's number, is another common irrational number. ...
The Square Root of 2, written as √2, is also an irrational number.
3 hours = 60 x 3 minutes = 180 mins.
Total windows = 30.
So, total time = 30 x 180
= 5400mins
= 90 hours
1,000 cubic feet because the pyramid is 4000 cubic feet on an area base of 40.