Stephen deposited $1800 into a savings account for which interest is compounded weekly at a rate of 3.2%. How much interest will
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Answer:
BC ≈ 8.9 units
Step-by-step explanation:
Using the cosine ratio in the right triangle
cos36° = =
=
( multiply both sides by 11 )
11 × cos36° = BC , then
BC ≈ 8.9 ( to the nearest tenth )