GRADE 7 · MATHEMATICS · TOPIC 8

Mensuration

Area of a circle is πr².

CONCEPT EXPLAINED

Understand the concept

Area of a circle is πr².

SOLVED EXAMPLE

Circle radius 7 cm; use π=22/7.

  1. Step 1: (22/7) × 7 × 7.

Final answer: 154 cm²

PRACTISE YOURSELF

Area of circle radius 2 in π

Show the answer

4π square units

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