Answer:
21.4 mm
Step-by-step explanation:
area ÷ base = height
164.78 mm^2 ÷ 7.7 mm
21.4 mm
Check:
base • height = area
7.7 mm • 21.4 mm = 164.78 mm^2
Since the hundred place is the 4 and the tens place is higher than 5 ( it is 7) to round to the hundreds place it would be 9500
I think your answer is right
Generally speaking, 19/8 is 2.375 so they should be 28.5 inches apart. however you gotta factor in how thick the shelves themselves are :)
