Mayaassaridn
Answered

Engage with knowledgeable experts and get accurate answers on IDNLearn.com. Get accurate and comprehensive answers from our network of experienced professionals.

what is the answer for:

 

r = 9 ft

r = 21 m

d = 30 cm 

d = 24 cm

r = 15.2 in

r = 16.01 ft 

 

please answer them i just want the answer like example the answer for r= 9 ft is 56.52 ft

 

thanks!!!

 

 

Sagot :

[tex]r-a\ radius\ of\ the\ circle\\\\d-a\ diameter\ of\ the\ circle\\\\a\ circumference\ of\ the\ circle:2\pi r=d\pi\\\\r=9ft\to2\pi r=2\pi\cdot9=18\pi\approx18\cdot3.14=56.52\ (in)\\\\r=21\ m\to2\pi r=2\pi\cdot21=42\pi\approx42\cdot3.14=131.88\ (m)\\\\d=30cm\to d\pi=30\pi\approx30\cdot3.14=94.2\ (cm)\\\\d=24cm\to d\pi=24\pi\approx24\cdot3.14=75.36\ (cm)\\\\r=15.2\ in\to 2\pir=2\pi\cdot15.2=30.4\pi\approx30.4\cdot3.14=95.456\ (in)\\\\r=16.01\ ft\to2\pi r=2\pi\cdot16.01=32.02\pi\approx32.02\cdot3.14=100.5428(ft)[/tex]
We value your presence here. Keep sharing knowledge and helping others find the answers they need. This community is the perfect place to learn together. IDNLearn.com is committed to providing the best answers. Thank you for visiting, and see you next time for more solutions.