Circle Geometry Quiz

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What is the circumference of a circle with radius 7cm? (Use π = 22/7)

a) 44 cm b) 154 cm c) 22 cm d) 88 cm

What is the area of a circle with radius 5cm? (Use π = 3.14)

a) 78.5 cm² b) 31.4 cm² c) 15.7 cm² d) 157 cm²

What is a chord?

a) Line segment joining two points on circle b) Line from center to edge c) Line touching circle at one point d) Curved part of circle

The angle subtended by a diameter at any point on the circle is:

a) 90° b) 180° c) 45° d) 60°

What is the relationship between radius and diameter?

a) Diameter = 2 × radius b) Radius = 2 × diameter c) Radius = diameter d) Diameter = radius²

A tangent to a circle:

a) Touches the circle at exactly one point b) Passes through the center c) Intersects at two points d) Is always horizontal

What is an arc?

a) Part of the circumference b) Line to center c) Area inside circle d) Straight line through circle

If the circumference is 31.4cm, what is the radius? (Use π = 3.14)

a) 5 cm b) 10 cm c) 15.7 cm d) 7 cm

The angle at the center is _____ the angle at the circumference for the same arc:

a) Twice b) Half c) Equal to d) Three times

What is a sector?

a) Region bounded by two radii and an arc b) Half of a circle c) Line segment d) Point on circumference

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