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Llana [10]
2 years ago
13

Triangle ADE is similar to triangle ABC. Which statement is TRUE concerning the slope of the line formed by the hypotenuse of ea

ch triangle? A) EA DE = CB AC B) DE EA = CB AC C) DE EA = AC CB D) EA DE = AC CB
Mathematics
1 answer:
Mandarinka [93]2 years ago
3 0

Answer:

B) \frac{DE }{EA} =\frac{CB}{AC}

Step-by-step explanation:

If ant two given triangles are SIMILAR, then they have equal corresponding angles and their corresponding sides are PROPORTIONAL.

For example: if Δ ABC ≈ Δ PQR, then

∠A  = ∠P  , ∠B  = ∠Q  and ∠C  = ∠R

and \frac{AB}{PQ} =  \frac{BC}{QR}  = \frac{AC}{PR}

Now, here given:  Δ ADE ≈ Δ ABC

Then by the SIMILAR postulate their corresponding angles are equal and their corresponding sides are Proportional.

\implies \frac{AD}{AB} =  \frac{DE}{BC}  = \frac{AE}{AC}    ............. (1)

Consider from above:

 \frac{DE}{BC}  = \frac{AE}{AC}\\\implies \frac{DE}{AE}  = \frac{BC}{AC} ............. (2)

Here, the given options are:

A) \frac{EA }{DE} =\frac{CB}{AC}     FALSE

B) \frac{DE }{EA} =\frac{CB}{AC}   TRUE    (from 2)

C) \frac{DE }{EA} =\frac{AC}{CB}   FALSE

C) \frac{EA}{DE} =\frac{AC}{CB}    FALSE

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Answer:

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Step-by-step explanation:

This is my simplest-

Do the keep-change-flip method for this problem (and also any problem involving this)

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Now solve the problem by multiplying the fractions

-3/8 × 12/7 =

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Simplify it by dividing the numerator (up of the line) and denominator (below the line) to get -9/14

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2 years ago
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Montano1993 [528]

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Step-by-step explanation:

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In the usual notation, the number at the left is the input (belons to the domain) and the number in the right is the output (belongs to the range).

Then the domain would be:

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