Lesson 640 minutes
Solving Right Triangles
Mathematics • Trigonometry I
📚 Curriculum Context
This lesson implements: NCDC S3 Mathematics - Topic 1: Trigonometry I
View Full Curriculum GuidanceOverview
Learners systematically solve right-angled triangles by finding all missing sides and angles using forward and inverse trigonometric functions, Pythagoras' theorem, and angle sum properties, applying these skills to real-world problems.
Lesson Details
- Subject:
- Mathematics
- Grade:
- S3
- Term:
- Term 1
- Topic:
- Trigonometry I
- Lesson:
- 6 of 15
- Duration:
- 40 minutes
Curriculum Reference
NCDC Lower Secondary Mathematics Syllabus (2019), S3 Topic 1 (Trigonometry I)
Keywords
solve trianglescomplete solutionmissing sidesmissing anglessystematic approachreal-world applicationsproblem solving
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