Answer:
perimeter is the sum of all sides
sum of all sides here is 5+5+11+7 = 28m
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Assuming the life sized dolphin is 12 ft long, what we want to know is what factor do you multiply 12 ft by to get 3.5 inches so converting this to an equation gives: 12*f=3.5 solving for f gives f=3.5/12=.29166...The units on the factor are inches/foot.
So to get the size if anything linear in the small scale you just multiply it's dimension in the full scale by f.
Answer: B) 400/3 Pi ft^3
Step-by-step explanation:
V=πr2h
3=π·52·16
3≈418.87902
and
400
/3
(3.141593)
=418.87902
so its B
