What is the length of arc AB? 6π cm 12π cm 18π cm 36π cm
1 answer:
Answer:
6π cm
Attached is the missing image
Step-by-step explanation:
The circumference of a circle can be expressed as;
C = 2πr
The length of an arc with angle ∅ (in radian) can be expressed as;
Arc Length = radius × radian angle
L = r∅
Given; from the attached image
Radius r = 18 cm
Radian angle ∅ = π/3 radians
Substituting the values;
Arc length L = 18cm × π/3 = 18/3 π cm
Arc length L = 6π cm
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Using perfect squares simplification, it is found that the value of the desired limit is of -4.
<h3>When is a limit?</h3>It is the value of a function as x approach
In this problem, the limit we want to find is given by:
If we just replace x by -2, we end with an undetermined limit, as we have 0/0.
However, the perfect square simplification states that:
a² - b² = (a - b)(a + b).
Hence:
x² - 4 = (x + 2)(x - 2).
Then:
Hence, the value of the desired limit is of -4.
More can be learned about limits at brainly.com/question/26270080
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