First. we use the Pythagorean theorem:

Add the numbers in

start simplifying


So, the leg has a length of 40 mm.
Answer:
$68.8
Step-by-step explanation:
27.52/2 = 13.76
13.76 x 5 = 68.8
400/5= 80.. what are you asking specifically?
4.05-2.74=1.31
The difference is 1.31 pounds.