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bija089 [108]
3 years ago
12

Angle CAB=90 AB=AC=DE BD=9 CE=8 Find DE

Mathematics
1 answer:
zalisa [80]3 years ago
3 0

Answer:

  29

Step-by-step explanation:

Let x represent the length of DE. Then ...

  AB = x

  AD = AB -BD = x - 9

__

  AC = x

  AE = AC -CE = x - 8

And the Pythagorean theorem applied to triangle ADE tells us ...

  x^2 = (x -9)^2 +(x -8)^2

  0 = x^2 -34x +145 = (x -5)(x -29)

Solutions are the values of x that make a factor zero: 5 or 29.

The length of DE must be greater than 9, so the appropriate solution from the above equation is x = 29.

The length of DE is 29.

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Step-by-step explanation:

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ivolga24 [154]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
Suppose △LPO ≅ △HJU.<br> What is the corresponding congruent parts for each segment or angle?
SashulF [63]

Answer:

NG ( first and last letter of NBG)  = WS ( first and last letter of WTS).

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Step-by-step explanation:

We use the congruence statement to answer these questions.  From the way the congruence statement is written, we can see that N = W (they are in the same relative position in the congruence statement).  We also see that G and S are in the same relative position, so G = S.

Since N = W and G = S, this means that NG = WS.

From the congruence statement we can also see that B = T (they are in the same relative position).  Since G = S, this means that BG = TS.

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