Question

Problem

Answer 1

Is there something wrong with the answers for this problem? because i get the radius as \(r=0.1\)

Answer 2

radius is half the diameter. If diameter is 18cm then radius is 9cm = 0,09 m
Calculations and answer are correct

Answer 3

20 cm = 0.2 m => for the radius = 0.1?

Answer 4

http://www.metric-conversions.org/length/centimeters-to-meters.htm

Answer 5

yes

Answer 6

if 20cm is diameter

Answer 7

Then the answer is wrong? because the \(r= 0.010\)?

Answer 8

diamater in your question is 18cm not 20cm so radius is 0.090 not 0,10

Answer 9

isnt the diameter 20?

Answer 10

how is it 18?

Answer 11

you first attached question with 18cm radius

Answer 12

wooppss, sorry!!

Answer 13

but i want to make sure, that the solution is not right?

Answer 14

not right , radius should be 10 cm so it's 0,1m not 0,01m

Answer 15

ok thank you!!

Answer 16

yw