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Type: Multiple-Choice
Category: Trigonometry
Level: Grade 11
Standards: HSG-SRT.C.6
Author: nsharp1
Created: 4 years ago

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Trigonometry Question

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Grade 11 Trigonometry CCSS: HSG-SRT.C.6

$Delta ABC$ and

$Delta QRS$ are both right triangles, where

$ang B$ and

$ang R$ are right angles. If

$cos(C) = cos(S)$ , which of the following is correct?

$Delta ABC$ must be congruent to $Delta QRS$ .
$Delta ABC$ must be similar to $Delta QRS$ .
$Delta ABC$ and $Delta QRS$ may or may not be similar, but there's not enough information to be certain.
$Delta ABC$ and $Delta QRS$ are not similar.