Circles - Calculating Area and Circumference
Mr E. Bissoon
The Area of a Circle is calculated using this formula:
The Circumference of a Circle is calculated using this formula:
Important things to remember:
line represents the diameter. The diameter is the distance of the widest part of the circle, from any point of the edge of the circle to the opposite side. The
line represents the radius (the distance from the centre of the circle to the outer edge).
Illustration of Sequence Command
practice 1 bourdo
GoGeometry Action 19!
Geometry Enrichment (Challenges)
9.1.3 Pre #1103407 option C
Geometric Intuition of Multiplying Complex Numbers
9.1.3 Pre #1103407 option D
Multiplying by numbers using vectors