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Preview questions
1. What is the distance from the center of a circle to any point on the circle called?
Diameter · Radius · Circumference · Chord
2. If the radius of a circle is doubled, what happens to the area of the circle?
It remains the same · It doubles · It triples · It quadruples
3. What is the relationship between the radius and diameter of a circle?
Diameter is half of the radius · Radius is half of the diameter · They are equal · Diameter is twice the radius
4. What is the formula for the circumference of a circle?
πr^2 · 2πr · πd · r^2
5. A chord that passes through the center of a circle is called what?
Diameter · Radius · Secant · Tangent
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