3 years ago

Find the circumference of a circle that has a diameter of 70 cm.

Mathematics

2 answers:

BlackZzzverrR [31]3 years ago

6 0

Circumference of circle = 2πr

π = 3.14
r = diameter/2 ; 70/2 = 35

Hence , r is 35 cm

r denotes radius of circle

⇛Circumference of circle = 2πr

⇛Circumference of circle = 2*3.14*35

⇛Circumference of circle = 6.28*35

⇛Circumference of circle = 219.8 cm

Hence , Circumference of circle is 219.8 cm

Sergeu [11.5K]3 years ago

4 0

Answer:

70 pi cm

219.80 cm

219.9114858 cm

Step-by-step explanation:

The circumference of a circle is given by

C = pi*d

C = pi * 70cm

Using 3.14 for pi

C = 219.80cm

Using the pi button

219.9114858cm

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