CLASS10 · Mathematics · Areas Related to Circles

Exercise and reference answers

Matching pairs

1. Left

   Area of circle (radius r)

   Right

   π r²

2. Left

   Circumference

   Right

   2π r

3. Left

   Area of sector (angle θ in degrees)

   Right

   (θ/360) × π r²

Instructions

Match each area / arc formula to its definition.