4 years ago

What is the circumference of a circle with an area of 50.24cm^2 Use 3.14 for pi

Mathematics

2 answers:

Kay [80]4 years ago

4 0

Answer:

25.12

Step-by-step explanation:

area of a circle = ||r^2 (|| = pie )

|| r^2 = 50.24

3.14 x r^2 = 50.24

r^2 = 50.24 / 3.14

= 16

r = 4

circumference = 2 || r

2 x 3.14 x 4

8 x 3.14

25 . 12

Vika [28.1K]4 years ago

3 0

3.14*r^2=50.24 => r^2=16. => r=4. => circumference=2*3.14*4=25.12

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