Suppose a lake has a surface area of about 748 acres and an average depth of about 18 feet. About how many cubic feet are in the
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The measure of angle A in the isosceles triangle ABC is equal to 120 degrees.
<h3>What is an equation?</h3>An equation is an expression that shows the relationship between two or more numbers and variables.
In the triangle ABC, AB = BC = 8. Triangle ABC is an isosceles triangle and ∠B = ∠C = 30° (base angles are equal).
∠A + ∠B + ∠C = 180° (sum of angles in a triangle)
∠A + 30 + 30 = 180
∠A = 120°
The measure of angle A in the isosceles triangle ABC is equal to 120 degrees.
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Answer:
See below
Step-by-step explanation:
Recall
Using the chain rule
such that
we can get a general formulation for
Considering the power rule
we have
therefore,
Now, once
we have
Hence, we showed
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For the integration,
considering the previous part, we will use the identity
thus
and
Considering
and then
we have
Therefore,