Answer:
Total length of shoes in feet = 2 feet
Length of each shoe = 1 feet
Step-by-step explanation:
Given:
Length of each shoe = 12 inches
Find:
Total length of shoes in feet
Computation:
Total length of shoes = [12 + 12] inches
Total length of shoes = 24 inches
12 inches = 1 feet
Total length of shoes in feet = 24 / 12
Total length of shoes in feet = 2 feet
Length of each shoe = 1 feet
Remember that

So if
and
, then we know
.
Then use the Pythagorean identity to solve for cosine:

Answer:
3672
Step-by-step explanation:
8(477-18)
477-18=459
8(459)
=3672
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