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grin007 [14]
3 years ago
12

The area of an 11-cm-wide rectangle is 242cm2. What is it's length

Mathematics
1 answer:
VladimirAG [237]3 years ago
3 0
22 centimeters

242 ( area ) divided by 11( width) =22 ( length)
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If ΔEFG ~ ΔLMN with a ratio of 2:1, which of the following is true?
strojnjashka [21]

Answer:

  segment EF over segment LM equals segment FG over segment MN

Step-by-step explanation:

The triangles are similar, not congruent, so any answer choice with the word "congruent" can be ignored.

The sequence of letters in the triangle name tells you the corresponding segments:

  • EF corresponds to LM
  • EG corresponds to LN
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Corresponding segments have the same ratio, so ...

  EF/LM = FG/MN . . . . . . matches the first answer choice

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Step-by-step explanation:

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2 years ago
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Equation of an ellipse:

(x-h)²/a² + (y-k)²/b² = 1
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2a = major axis = 2.|5| + |-5| = 10. then a = 5 and a² = 25
2b = minor axis = 2.|3| + |-3| = 6. then b = 3 and b² = 9

Then the final equation is:
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3 years ago
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