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G-SRT.6 Warmup M2-051-A08-V04

Define trigonometric ratios for acute angles using right-triangle similarity.

Choose the correct trigonometric ratio from the known and unknown sides

Problem

A right-triangle side-finding setup gives the side adjacent to an acute reference angle and asks for the opposite side. State the trigonometric ratio that directly connects those \(\text{two}~\text{side}~\text{roles}\).

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Four variants of this problem type
Curriculum context
Course
Math II
Standard
G-SRT.6
Category
Geometry
Domain
Similarity, Right Triangles, and Trigonometry
Objective
Define trigonometric ratios for acute angles using right-triangle similarity.
Problem type
Choose the correct trigonometric ratio from the known and unknown sides