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GSE Geometry 3 - Similarity and Right Triangles 3.9 Test Review
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GSE Geometry 3 - Similarity and Right Triangles 3.9 Test Review

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Questions and Answers

What is the scale factor of triangle RST to triangle XYZ?

  • 4
  • 1
  • 2 (correct)
  • 3
  • What is the perimeter of triangle RST?

  • $2R + 2S + 2T$ (correct)
  • $4RST$
  • $R + S + T$
  • $3R + 3S + 3T$
  • Which postulate can be used to prove that triangle ABC is similar to another triangle?

  • SAS (Side-Angle-Side)
  • SSS (Side-Side-Side)
  • AAS (Angle-Angle-Side)
  • AAA (Angle-Angle-Angle) (correct)
  • If a 12 ft tall flagpole casts a 72 ft long shadow, then how long is the shadow that a 5 ft tall person casts?

    <p>25 ft</p> Signup and view all the answers

    In triangle CAT, what is the length of AT if CT = 28 and AC = 53?

    <p>55</p> Signup and view all the answers

    If sin A = 0.8, what is the value of cos A?

    <p>-0.2</p> Signup and view all the answers

    In triangle ABC, if sin A = 0.6, what is the length of AB if B = 90°?

    <p>$\frac{10}{3}$</p> Signup and view all the answers

    Which trigonometric ratio compares the opposite side to the adjacent side in a right-angled triangle?

    <p>$\tan$</p> Signup and view all the answers

    If two angles have sin values of 0.75 and 0.6, how do their ratios compare?

    <p><strong>The ratio for one angle is less than 1 and for the other angle is greater than 1</strong></p> Signup and view all the answers

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