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If the diameter of a circle is 4 what is the circumference? Leave answer in terms of π
4π
If the circumference of a circle is 32π, then what is radius and diameter of the circle?
Diameter=32; Radius=16
What is the longest chord in a circle?
The diameter
The two formulas to find circumference:
2πr and πd
Would an archery target be a real life example of concentric circles?
Yes
Is a chord a diameter?
No; a diameter is a chord
Casey is walking her dog with her leash and her dog is walking around her in a perfect circle. The length of the leash is 5 cm. Find the circumference of the circle that Casey's dog is walking in. Keep answer in terms of π
10π
All circles are...
SIMILAR!
A soldier wants his shield to have a radius of 12 inches. What would the circumference of the soldiers shield be? Leave answer in terms of π.
24π
What is the name of the point at which the tangent line intersects the circle?
The point of tangency
