Answer:
A
Step-by-step explanation:
<h3>Numerator</h3>(3x)(3x) = 9x^2
√9x^2 = 3x
Numerator = 3x
<h3>Denominator</h3>√18y^2 = √18 · √y^2
√18 = 3√2
√y^2 = y
3√2y
Denominator = 3√2y
Now we need to rationalize the denominator, and get rid of the square root on the bottom
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=
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The first base matches the second height
The second base matches the first height
The third base matches the third height
<h3>Base and height of a triangle </h3>From the question, we are to match the base to the corresponding height
In a triangle, the height of the triangle is perpendicular to the base.
Applying this in the given diagram,
The first base matches the second height
The second base matches the first height
The third base matches the third height
Learn more on Base and height of a triangle here: brainly.com/question/17154315
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