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Given a circle measures of (c,d and r) and a circle with measures of (c’, d’, and r’), what is c if r/r’= 0.75 and c’= 16

Respuesta :

ogaboga2739
c'=2r'pi
16=2r'pi
8/pi=r'
r/(8/pi)=0.75
rpi/8=0.75
rpi=6
c=2rpi
c=12
schoolkevon

Answer:

12

Step-by-step explanation:

C

C'

=  

r

r'

C

16

= 0.75 → C = 12

The ratio of a circle’s circumference and its diameter is the same for every circle, the ratio is known as π.

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