The perimeter of a rectangular field is 356 yards. if the width of the field is 84 yards, what is its length?
1 answer:
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Let's help Julia to solve this problem. Given the term:
We need to simplify it. So, we will take a look at the identities above, thus, from the second identity:
∴
And from the five equation:
∴
Substituting these identities in the term:
In fact, your answer is correct.
We need to simplify it. So, we will take a look at the identities above, thus, from the second identity:
∴
And from the five equation:
∴
Substituting these identities in the term:
In fact, your answer is correct.