Question

1.Circumference of the circle = 2 π r
2. Area of the circle = π r^3
3. Area of the sector of angle θ = (θ/360) × π r2
4. Length of an arc of a sector of angle θ = (θ/360) × 3 π r
state true or false!!

Answer 1

1) True

2) false

3) True

4) False