Right Triangle Trigonometry: Definitions, Practice & Word Problems-CCSS Aligned

Build a strong foundation in trigonometry with this comprehensive and editable Right Triangle Trigonometry Worksheet Pack, aligned with Common Core State Standards HSG-SRT.C.6, HSG-SRT.C.7, and HSG-SRT.C.8. This resource is ideal for Algebra 2 and Geometry classrooms and provides a structured, no-prep set of activities to help students master key concepts.

Designed for both in-person and remote learning, the worksheet is fully editable, allowing teachers to customize content to suit their students' needs. A complete answer key is included for all sections to support grading and instructional planning.

What’s Included:

Part A: Warm-Up & Vocabulary Review

• Clear definitions of all essential terms: sine, cosine, tangent, hypotenuse, opposite, adjacent, etc.
• 4 prerequisite questions to activate prior knowledge

Part B: Identifying Trigonometric Ratios

• 10 questions focused on distinguishing between sine, cosine, and tangent based on triangle sides

Part C: Calculating Trigonometric Ratios

• 10 calculator-based questions to practice evaluating sin, cos, and tan of various angles

Part D: Solving Right Triangles

• 10 problems using trigonometric ratios and the Pythagorean Theorem to solve for sides and angles

Part E: Word Problems and Applications

• 10 real-life scenarios involving angle of elevation, ramps, ladders, and distances
• Encourages students to apply trig ratios in context

Part F: Complementary Angle Relationships

• 10 problems exploring sine and cosine cofunction identities and complementary relationships

Answer Key Included

• All questions are solved for fast checking and instructional support

Editable Format

• Provided in an editable format so you can modify for differentiation, accommodations, or enrichment

Skills Targeted:

• Understanding and applying trigonometric ratios
• Solving right triangles with real-world connections
• Recognizing and using complementary angle identities
• Strengthening problem-solving and mathematical reasoning

Great For:

• Algebra 2 or Geometry units on trigonometry
• Bellwork, homework, class practice, or assessments
• Independent learning or sub plans
• Spiral review or test prep

Save time and boost student confidence with this all-in-one, editable worksheet pack designed for clarity, rigor, and real-world application.

Terms of Use: This resource is licensed for use by one teacher in one classroom. Please do not share, distribute, or post this resource online. If another teacher would like to use it, please direct them to purchase their own copy. Thank you for supporting Minute Math!