Q. 15.0( 1 Vote )

# Find the circumfe

(1). Given: Diameter = 3.5 cm

r = 3.5/2 = 1.75 cm

Circumference of the circle is given by,

Circumference = 2πr

Circumference

Circumference

Hence, circumference is 11 cm.

(2). Given: Diameter = 6.3 m

r = 6.3/2 = 3.15 m

Circumference of the circle is given by,

Circumference = 2πr

Circumference

Circumference

Hence, circumference is 19.8 cm.

(3). Given: Diameter = 0.14 m

r = 0.14/2 = 0.07 m

Circumference of the circle is given by,

Circumference = 2πr

Circumference

Circumference

Hence, circumference is 0.44 m.

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