Congruence & Similarity (Edexcel IGCSE Maths): Exam Questions

In triangle $ABC$

$AB$= 3 cm and angle $CAB$= 45°

Triangle $ABC$ is enlarged by scale factor 5

For the enlarged triangle, write down

(i) the length of the side that corresponds to $AB$

(ii) the size of the angle that corresponds to angle $CAB$

Here are six triangles drawn on a grid of squares.

Two of these triangles are congruent.

Write down the letters of these two triangles.