Circle Quiz 1 | Class 6

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1.) What is the distance from the center of a circle to any point on the circle called?
Hint:   ViewIt is half the length of the diameter.

2.) Which of the following is the longest chord of a circle?
Hint:   ViewIt passes through the center of the circle.

3.) What is the perimeter of a circle called?
Hint:   ViewIt is the boundary length of the circle.

4.) If the radius of a circle is 7 cm, what is its diameter?
Hint:   ViewThe diameter is twice the radius.

5.) Which part of a circle is a portion of its circumference?
Hint:   ViewIt looks like a curved line on the circle.

6.) What is the line segment that connects two points on a circle but does not pass through the center called?
Hint:   ViewIt’s shorter than the diameter unless it passes through the center.

7.) If the diameter of a circle is 10 cm, what is its radius?
Hint:   ViewThe radius is half the diameter.

8.) What is the formula for the circumference of a circle?
Hint:   ViewIt involves π and the radius.

9.) Which part of a circle looks like a ‘slice of pizza’?
Hint:   ViewIt is formed by two radii and an arc.

10.) If the circumference of a circle is 44 cm, what is its radius? (Take π = 22/7)
Hint:   ViewUse the formula C = 2 × π × r.
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