Question

7. ɪғ ᴛʜᴇ ᴅɪᴀᴍᴇᴛᴇʀ ᴏғ ᴀ ᴄɪʀᴄʟᴇ ɪs ɪɴᴄʀᴇᴀsᴇᴅ ʙʏ
100%. ɪᴛ's ᴀʀᴇᴀ ɪs ɪɴᴄʀᴇᴀsᴇᴅ ʙʏ
1) 100%
2) 200%
3) 300%
4) 400%
ᴜғғғғғ ᴀᴀᴘᴋɪ ʙᴀᴛᴇ ʜᴇᴀʀᴛ ᴀᴛᴛᴀᴄᴋ ʟᴀ ᴋᴀʀ ᴍᴀɴᴇɢɪ xᴅ​

Answer 1

Answer:

$answer$

ɪғ ᴛʜᴇ ᴅɪᴀᴍᴇᴛᴇʀ ᴏғ ᴀ ᴄɪʀᴄʟᴇ ɪs ɪɴᴄʀᴇᴀsᴇᴅ ʙʏ

100%. ɪᴛ's ᴀʀᴇᴀ ɪs ɪɴᴄʀᴇᴀsᴇᴅ ʙʏ

1) 100%

2) 200%

3) 300%

4) 400%

so area is increased by 200 %

because area of a circle = πr²