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Square root of 217 for apex

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square root of 120

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square root of 120

Q: What is the length ef in the right triangle below?

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Restate the question: triangle QRS is similar to triangle DEF ..... (If this isn't your question, then change the wording and ask it again) Then (QR/DE) = (RS/EF) = (SQ/FD)

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There is not enough information to answer the question. For example, it is not even known if E, F and G are vertices of a triangle, three points on the same straight line, three points on the circumference of a circle or some exotic shape.

Yes. I have congestive dilated cardiomyopathy. In 2006 my EF was 125. My cardiologist prescribed beta blockers and meds to lower my BP. Now my EF is 135-140. I rest a lot and watch my diet carefully.

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120

Since there is no triangle "below", all that can be said is that EF - if it is the third side of the triangle - is any length in the interval (24, 54).

The answer depends on the labels of the sides which are 19 and 12.

Use Pythagoras' theorem to find the 3rd side

20x

15 units

8

20x

8x

8x

11

I assume the corresponding sides are AB and EF, and EF is a side of the larger (second) triangle. scale factor 3 means each length of the second is 3 times as long as the first. ⇒ if AB = 6 units, EF = 3 x 6 units = 18 units.

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