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murzikaleks [220]
3 years ago
12

Find the value of n.

Mathematics
1 answer:
Vedmedyk [2.9K]3 years ago
6 0

Answer:

The correct answer is option A.  9

Step-by-step explanation:

<u>Points to remember</u>

The ratio of of corresponding sides of similar triangles are equal.

<u>To find the value of n</u>

From the figure we can see two similar triangles.

Here the ratio of sides is 1/2

Therefore we can write,

39/(n² - 3) = 1/2

2 * 39 = n² - 3

n² = 78 + 3

n = 81

n = ± 9

n = 9

The correct answer is option A.  9

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