Question

a) Arjun wants to measure the length of a straight line using a ruler but his ruler was worn out at the
edge. So he started at the marking of 2cm. the end point of the line was at 11.3cm. Find the correct
length of the line. Express it in meter
​

Answer 1

✔️ Answer ✔️

Given:- Arjun measure from= 2cm

Measure of line comes out to be till= 11.3cm

To find:- Measure of the line.

Solution:- To find the measure we will simply subtract the two values,

= 11.3-2

= 9.3cm

To convert into metres simply divide it with 100.

9.3/100= 0.093m

For Extra Knowledge:-

ᴛʜᴇ ᴡᴏʀᴅ “ᴍᴀᴛʜᴇᴍᴀᴛɪᴄꜱ” ɪꜱ ᴅᴇʀɪᴠᴇᴅ ꜰʀᴏᴍ ᴛʜᴇ ɢʀᴇᴇᴋ ᴡᴏʀᴅ “ᴍᴀᴛʜᴇᴍᴀ” ᴍᴇᴀɴɪɴɢ ᴋɴᴏᴡʟᴇᴅɢᴇ. ɪᴛ ɪɴᴄʟᴜᴅᴇꜱ ᴛʜᴇ ꜱᴛᴜᴅʏ ᴏꜰ ᴄᴏɴᴄᴇᴘᴛꜱ ꜱᴜᴄʜ ᴀꜱ ɴᴜᴍʙᴇʀ ᴛʜᴇᴏʀʏ, ᴀʟɢᴇʙʀᴀ, ᴍᴀᴛʜᴇᴍᴀᴛɪᴄᴀʟ ᴀɴᴀʟʏꜱɪꜱ, ᴇᴛᴄ. ᴀʀᴄʜɪᴍᴇᴅᴇꜱ ɪꜱ ᴋɴᴏᴡɴ ᴀꜱ ᴛʜᴇ ꜰᴀᴛʜᴇʀ ᴏꜰ ᴍᴀᴛʜᴇᴍᴀᴛɪᴄꜱ. ʜᴇ ʟɪᴠᴇᴅ ʙᴇᴛᴡᴇᴇɴ 287 ʙᴄ – 212 ʙᴄ. ꜱʏʀᴀᴄᴜꜱᴇ, ᴛʜᴇ ɢʀᴇᴇᴋ ɪꜱʟᴀɴᴅ ᴏꜰ ꜱɪᴄɪʟʏ ᴡᴀꜱ ʜɪꜱ ʙɪʀᴛʜᴘʟᴀᴄᴇ. ᴀʀᴄʜɪᴍᴇᴅᴇꜱ ᴡᴀꜱ ꜱᴇʀᴠɪɴɢ ᴛʜᴇ ᴋɪɴɢ ʜɪᴇʀᴏ ɪɪ ᴏꜰ ꜱʏʀᴀᴄᴜꜱᴇ ʙʏ ꜱᴏʟᴠɪɴɢ ᴍᴀᴛʜᴇᴍᴀᴛɪᴄᴀʟ ᴘʀᴏʙʟᴇᴍꜱ ᴀɴᴅ ʙʏ ᴅᴇᴠᴇʟᴏᴘɪɴɢ ɪɴᴛᴇʀᴇꜱᴛɪɴɢ ɪɴɴᴏᴠᴀᴛɪᴏɴꜱ ꜰᴏʀ ᴛʜᴇ ᴋɪɴɢ ᴀɴᴅ ʜɪꜱ ᴀʀᴍʏ.

ɴᴏᴛᴀʙʟᴇ ɪɴᴠᴇɴᴛɪᴏɴꜱ ᴏꜰ ᴀʀᴄʜɪᴍᴇᴅᴇꜱ ɪɴᴄʟᴜᴅᴇ ᴛʜᴇ ᴄᴀʟᴄᴜʟᴀᴛɪᴏɴ ᴏꜰ ᴍᴇᴀꜱᴜʀᴇᴍᴇɴᴛ ᴏꜰ ᴀ ᴄɪʀᴄʟᴇ, ᴛʜᴇ ᴍᴇᴛʜᴏᴅ ᴏꜰ ᴇxʜᴀᴜꜱᴛɪᴏɴ ᴛᴏ ᴍᴇᴀꜱᴜʀᴇ ᴛʜᴇ ᴀʀᴇᴀꜱ ᴏꜰ ᴛʜᴇ ꜱʜᴀᴘᴇꜱ, ᴛʜᴇ ʀᴇʟᴀᴛɪᴏɴꜱʜɪᴘ ʙᴇᴛᴡᴇᴇɴ ꜱᴘʜᴇʀᴇꜱ ᴀɴᴅ ᴄʏʟɪɴᴅᴇʀꜱ, ᴜꜱᴇꜱ ᴏꜰ ᴘʀɪᴍᴇ ɴᴜᴍʙᴇʀꜱ, ᴛʜᴇ ᴛᴏᴘɪᴄ ᴏꜰ ɪɴꜰɪɴɪᴛʏ, ᴛʜᴇ ᴄᴏɴᴄᴇᴘᴛꜱ ᴏꜰ ᴄᴏɴᴏɪᴅꜱ ᴀɴᴅ ꜱᴘʜᴇʀᴏɪᴅꜱ, ᴛʜᴇ Qᴜᴀᴅʀᴀᴛᴜʀᴇ ᴏꜰ ᴛʜᴇ ᴘᴀʀᴀʙᴏʟᴀ, ᴛʜᴇ ᴇQᴜɪʟɪʙʀɪᴜᴍ ᴏꜰ ᴛʜᴇ ᴘʟᴀɴᴇꜱ, ꜱᴘɪʀᴀʟꜱ, ᴀʀᴄʜɪᴍᴇᴅᴇꜱ’ ᴘʀɪɴᴄɪᴘʟᴇ ᴀɴᴅ ᴍᴀɴʏ ᴍᴏʀᴇ.

“ᴛʜᴇ ꜰɪᴇʟᴅꜱ ᴍᴇᴅᴀʟ” ɪꜱ ᴀɴ ᴀᴡᴀʀᴅ ᴛʜᴀᴛ ɪꜱ ɴᴀᴍᴇᴅ ᴀꜰᴛᴇʀ ᴀʀᴄʜɪᴍᴇᴅᴇꜱ ᴀꜱ ᴀ ᴛʀɪʙᴜᴛᴇ ᴛᴏ ʜɪꜱ ᴄᴏɴᴛʀɪʙᴜᴛɪᴏɴꜱ ᴛᴏ ᴛʜᴇ ꜰɪᴇʟᴅ ᴏꜰ ꜱᴄɪᴇɴᴄᴇ. ʜᴇ ᴡᴀꜱ ᴋɪʟʟᴇᴅ ʙʏ ᴀ ʀᴏᴍᴀɴ ꜱᴏʟᴅɪᴇʀ ɪɴ 212 ʙᴄ ᴀꜱ ꜱɪᴄɪʟʏ ᴡᴀꜱ ᴀ ᴄᴏʟᴏɴʏ ᴏꜰ ɢʀᴇᴇᴋꜱ ᴛʜᴀᴛ ᴡᴀꜱ ɪɴᴠᴀᴅᴇᴅ ᴀɴᴅ ᴀᴛᴛᴀᴄᴋᴇᴅ ꜰʀᴇQᴜᴇɴᴛʟʏ ʙʏ ᴇɴᴇᴍɪᴇꜱ.

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HOPE I AM CLEAR.

WARM REGARDS.

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Answer 2

Answer:

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