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Preview questions
1. What is the distance from the center of a circle to any point on its circumference called?
Diameter · Radius · Chord · Arc
2. If the radius of a circle is doubled, how does the area change?
Remains the same · Doubles · Triples · Quadruples
3. What is the formula for the circumference of a circle?
πr^2 · 2πr · πd · 2r
4. A chord that passes through the center of the circle is called?
Radius · Diameter · Secant · Arc
5. What is the angle subtended by a semicircle at any point on the circle?
90 degrees · 180 degrees · 360 degrees · 0 degrees
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