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Areas Related to Circles Quiz
Class X
Mathematics
Areas Related to Circles
11 questions
MEDIUM
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Preview questions
1. What is the formula for the area of a circle?
πr^2 · 2πr · πd · r^2
2. If the radius of a circle is doubled, how does the area change?
Remains the same · Doubles · Increases four times · Increases three times
3. What is the circumference of a circle with a diameter of 14 cm?
14π cm · 28π cm · 7π cm · 21π cm
4. The area of a semicircle is given by which formula?
πr^2/2 · πr^2 · 2πr · πd/2
5. What is the area of a circle with a radius of 7 cm?
49π cm² · 14π cm² · 21π cm² · 28π cm²
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