Finding Opposite and Adjacent Sides

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Objective

I can identify the opposite and adjacent sides of a right triangle relative to a given angle and apply this knowledge to trigonometric ratios.

Part 1 of 3

Warm-up video

Unknown Channel · 5:00

We don't generate video — this one is by Unknown Channel on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.

Part 2 of 3

Practice

12 questions

1

Define the terms "opposite," "adjacent," and "hypotenuse" in the context of a right triangle and a given angle θ.

2

Draw a right triangle. Label one of the acute angles as θ. Identify and label the hypotenuse, opposite side, and adjacent side relative to angle θ.

Part 3 of 3

Exit ticket

Quick comprehension check

In a right triangle ABC, where angle B is the right angle, identify the side opposite to angle A. In a right triangle PQR, where angle Q is the right angle, identify the side adjacent to angle P.

Sample answer included in the free materials

Get the materials

Teacher guide, student handout, and slides — free, in Google Docs format

  • Teacher Guide

    Complete lesson plan with answer keys and alternate activities

  • Student Handout

    Printable worksheet

  • Slides

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