Given:
The function is:

To find:
The value of
.
Solution:
We have,

Putting
, we get



On combining like terms, we get


Therefore, the required function is
.
Answer:
the answer is 45.9
Step-by-step explanation:
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Answer:
≈ 26.39 inches
Step-by-step explanation:
The circumference of a circle is 2πr or πd with r meaning radius and d for diameter. Since we know the diameter already, we can substitute the value in for d:
C = π(8.4) = 8.4π ≈ 26.39
It’s 54 degrees because all the angles are the same