Question

draw a circle of radius 2.8 cm​

Answer 1

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Kindly see the attachment,

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Radius

• The line segment joining from centre of the circle to any point on the circle. Radius is a half of diameter of a circle

Diameter

• A straight line that goes through the circle from side to other through the center is called a diameter. Diameter = 2 x Radius ( 2 times the radius)

Chord

• A chord is a line segment any two points on circle while a diameter is the line segment that passes through the center of the circle. Chord is a line that joins any two points of circle.

Arc

• An arc of a circle is a portion of the circumference joining any 2 endpoints of the circumference of the circle. The length of an arc is simply the length of its "portion" of the circumference.

Circumference

• Circumference is the perimeter of circle which is on the circle