Question

1) What word stands for C= 31.4m?

2) What word stands for C= 26.69m?

3) What word stands for C= 62.8m?

4) What word stands for C= 37.68 m?

5) What word stands for C= 47.1 cm?

6) What word stands for C= 12.56dm?

7) What word stands for C= 56.52cm?

8) What word stands for C= 26.376cm?


pa-help pls

Answer 1

Given :  Values of Circumference of Circle

C= 31.4 m

C= 26.69 m

C= 62.8 m

C= 37.68 m

C= 47.1 cm

C= 12.56 dm

C= 56.52 cm

C= 26.376 cm

To  Find : Radius of circle

Solution:

C = circumference of circle = 2πR

= 2 * 3.14 * R

= 6.28R

=> R = C/6.28  

C= 31.4 m  => R = 31.4/6.28  = 5  m

C= 26.69 m => R = 26.69/6.28 =  4.25 m

C= 62.8 m  => 62.8/6.28  = 10 m

C= 37.68 m   => 37.68 / 6.28 =  6 m

C= 47.1 cm   => 47.1 / 6.28  =    7.5  cm

C= 12.56 dm  => 12.56/6.28  = 2 dm

C= 56.52 cm  => 56.52 /6.28  =  9 cm

C= 26.376 cm  => 26.376 / 6.28  =  4.2 cm

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