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Questions and Answers
What is the scale factor of triangle RST to triangle XYZ?
What is the scale factor of triangle RST to triangle XYZ?
- 4
- 1
- 2 (correct)
- 3
What is the perimeter of triangle RST?
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?
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?
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?
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In triangle CAT, what is the length of AT if CT = 28 and AC = 53?
In triangle CAT, what is the length of AT if CT = 28 and AC = 53?
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If sin A = 0.8, what is the value of cos A?
If sin A = 0.8, what is the value of cos A?
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In triangle ABC, if sin A = 0.6, what is the length of AB if B = 90°?
In triangle ABC, if sin A = 0.6, what is the length of AB if B = 90°?
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Which trigonometric ratio compares the opposite side to the adjacent side in a right-angled triangle?
Which trigonometric ratio compares the opposite side to the adjacent side in a right-angled triangle?
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If two angles have sin values of 0.75 and 0.6, how do their ratios compare?
If two angles have sin values of 0.75 and 0.6, how do their ratios compare?
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