Question

Q.ɪғ ᴇʀʀᴏʀ ɪɴ ᴍᴇᴀsᴜʀɪɴɢ ᴅɪᴀᴍᴇᴛᴇʀ ᴏғ ᴀ ᴄɪʀᴄʟᴇ ɪs 4% , ᴛʜᴇ ᴇʀʀᴏʀ ɪɴ ᴍᴇᴀsᴜʀɪɴɢ ʀᴀᴅɪᴜs ᴏғ ᴛʜᴇ ᴄɪʀᴄʟᴇ ᴡᴏᴜʟᴅ ʙᴇ
ᴀ) 2%
ʙ) 8% 
ᴄ) 4%
ᴅ) 1%
answer is :- options c)
explain with solution

Answer 1

Ans: c ) 4%

Bcoz diameter is directly proportional to radius

Answer 2

ANSWERED is (c)

= because the diameter of the circle is
proportional radius