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zimovet [89]
2 years ago
5

In ΔDEF, the measure of ∠F=90°, DF = 55, FE = 48, and ED = 73. What ratio represents the tangent of ∠D?

Mathematics
1 answer:
klemol [59]2 years ago
8 0

Answer:

\frac{48}{55}

Step-by-step explanation:

In problems like this, it always helps to draw a picture.

-> See attached for the picture I drew (<em>not to scale</em>)

    Now, the trigonometric function tangent can be found with opposite / adjacent

    When looking at ∠D, the opposite side if 48 and the adjacent side is 55.

O / A = 48 / 55

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Answer:

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3 years ago
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3 years ago
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S_A_V [24]

Step-by-step explanation:

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4 years ago
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Please help me solveeeee
elena-14-01-66 [18.8K]

Answer:

Step-by-step explanation:

I think the only way you can solve this is to assume that <R means PRT in the given ratio. If I am wrong, I don't think the problem can be solved.

Find <T

Let <T = x

and <PRT = 3x

KLMN is a Parallelagram and therefore two adjacent angles are supplementary.

<PRT + <T = 180 degress

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x = 45

So <T = 45

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If RD is perpendicular to PS then <PDR = 90o

Here's the trick.

RD is also Perpendicular to RT

<MRD + <MRT = 90

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<MRT = 180 - 90 - 45

<MRT = 45

Here comes your answer

=================

<MRD + MRT = 90

<MRD + 45 = 90

<MRD = 45

====================

Note: you must ignore everything to do with the diagram. It is not drawn to scale and the letters are not the same as in the question. The only thing you use is that the figure is a ||gm

8 0
4 years ago
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Daniel [21]
Well, I saw my teacher solving the test herself, and then grading papers off of her paper that she solved. My teacher made the answer key for the tests.
4 0
3 years ago
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