This theorem dictates that the supplementary angles of linear pairs are interchangeable between congruent figures ... pairs of equal angle measures on right-angle shapes with the same relative ...

Circle theorems are used in geometric proofs and to calculate angles. Transformations - Edexcel Transformations change the size or position of shapes. Congruent ... side in a right-angled triangle.

Circle theorems are used in geometric proofs and to calculate angles. Transformations - OCR Transformations change the size or position of shapes. Congruent ... any side in a right-angled triangle.