SUYqjVxv
1.0
CCSS.Math.Content.HSG-SRT.C.6
Understand that by similarity, side ratios in right triangles are properties of the angles in the triangle, leading to definitions of trigonometric ratios for acute angles.
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2020-12-17T17:26:59.004140Z
2020-12-17T17:26:59.004171Z
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