Geometry & MeasuresAQAEdexcelOCRWJEC
Area of Triangle (Trig)
Revise Area of Triangle (Trig) in Geometry & Measures for GCSE Mathematics with 12 exam-style questions and 2 flashcards. Use the notes, sample questions, and flashcards below to connect this topic to the rest of your GCSE revision plan.
Study this topic
Sample Flashcards
Area with Trig
Area = ½ab sin C
Trig Area Formula
Area = (1/2)ab sinC. The angle MUST be between the two sides you're using.
Exam questions for Area of Triangle (Trig)
What is the trigonometric formula for the area of a triangle with sides a and b and included angle C?
Starting from Area = ½ × base × height, show how to derive the formula Area = ½ab sinC.
Want more? See all GCSE Mathematics exam questions by paper with full model answers and mark schemes.
12
exam-style questions
2
revision flashcards
Ready to revise Area of Triangle (Trig)?
Get personalised daily study plans, adaptive quizzes, and spaced repetition flashcards.
Start revising free