GRADE 10 · MATHEMATICS · TOPIC 6

Triangles and Similarity

Similar triangles have matching angles and proportional sides.

CONCEPT EXPLAINED

Understand the concept

Similar triangles have matching angles and proportional sides.

SOLVED EXAMPLE

Scale factor 2; small side 5 cm

  1. Step 1: Multiply side by scale factor 2.

Final answer: 10 cm

PRACTISE YOURSELF

Scale factor 3, small side 4

Show the answer

12

Try another similar question and explain each step aloud. Refer to your school syllabus for topic level and notation.