Similar triangles

Definition

Triangles that have the same shape: corresponding angles are equal and corresponding side lengths are in a constant ratio.

Used by OCR

Specification 9.04a · Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Foundation), Paper 4 (Higher), Paper 5 (Higher), Paper 6 (Higher)

Congruent triangles have the same shape and the same size; similar triangles may have different sizes.
Revise: Triangle Similarity

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GCSE Mathematics · key term

Triangles that have the same shape: corresponding angles are equal and corresponding side lengths are in a constant ratio.

Used by OCR

Specification 9.04a · Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Foundation), Paper 4 (Higher), Paper 5 (Higher), Paper 6 (Higher)

Congruent triangles have the same shape and the same size; similar triangles may have different sizes.
Revise: Triangle Similarity

Create a free account to read GCSE Mathematics revision notes for your exam board and track your progress.