1 Answer

Chris Arndt · Answer 1 · 2019-11-09T18:27:00+0000

The question is related to trigonometric ratio rule .

In the given diagram, there is a right angle triangle, with adjacent =57, and the unknown side is y. Given angle measurement is 39 .

To find the measurement of y, we will use tan rule which is

$tan \Theta = (opposite)/(adjacent)$

tan 39=(y)/(57)

y = 57 tan 39 = 46.2

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