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this word problems covers

Similar Triangles: Proportional sides, same angles.

Introduction to Congruency: SSS, SAS, ASA, AAS rules.

Ratio and Proportion

similar triangles word problem Geometry Curriculum - Unit 6 bts

United States & Canada:
Grades 7–9 (Middle School / Early High School)

Typically covered in Geometry units in:

Grade 7/8: Introduction to angles, basic triangle properties.

Grade 9/10: Formal proofs (e.g., ASA, SAS) and applications.

1. UK & International (KS3/GCSE):
   Year 8–10 (KS3 to GCSE Foundation/Higher)

KS3 (Years 7–9): Similar triangles (shadow problems, scaling).

GCSE (Year 10–11): Congruency proofs and advanced applications.

1. Australia & New Zealand:
   Years 8–10

Similarity and congruency are part of the Measurement and Geometry strand.

1. IB MYP & Early DP:
   MYP 3–5 (Grades 8–10): Applied problems (e.g., maps, structures).

DP SL/HL (Grades 11–12): Proofs and real-world modeling.

Difficulty Breakdown:
Basic (Grades 7–8): Shadow problems, simple proportions (Word Problems 1 & 3).

Intermediate (Grades 9–10): Congruency proofs, ladder problems (Word Problems 2, 4, 5).

Ideal for:

Middle School: Focus on similar triangles and basic congruency (SAS, SSS).

High School Geometry: Full congruency proofs (ASA, AAS) and applications.