Question

a garden is 90 m long and 75m board. a path 5m wide is to be built outside and around it. find the area of the path . also find the area of the garden in hectare.




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Answer 1

ᴀɴsᴡᴇʀ

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Aʀᴇᴀ ᴏғ ᴏʀɪɢɪɴᴀʟ ɢᴀʀᴅᴇɴ =90×75=6750 ᴍ2

Aғᴛᴇʀ ᴘᴀᴛʜ ɪs ᴀᴅᴅᴇᴅ ᴀʀᴏᴜɴᴅ ʀᴇᴄᴛᴀɴɢʟᴇ, ɴᴇᴡ ʟᴇɴɢᴛʜ =90+2×5=100 ᴍ

Nᴇᴡ ʙʀᴇᴀᴅᴛʜ =75+2×5=85 ᴍ

Aʀᴇᴀ ᴏғ ʀᴇᴄᴛᴀɴɢʟᴇ ᴡɪᴛʜ ᴘᴀᴛʜ =100×85=8500 ᴍ2

Sᴏ,

Aʀᴇᴀ ᴏғ ᴘᴀᴛʜ = Aʀᴇᴀ ᴏғ ʀᴇᴄᴛᴀɴɢʟᴇ ᴡɪᴛʜ ᴘᴀᴛʜ − Aʀᴇᴀ ᴏғ ʀᴇᴄᴛᴀɴɢʟᴇ ᴡɪᴛʜᴏᴜᴛ ᴘᴀᴛʜ

Aʀᴇᴀ ᴏғ ᴘᴀᴛʜ =8500−6750

                      =1750 ᴍ2

Wᴇ ᴋɴᴏᴡ, 

1 ᴍ2=0.0001 ʜᴇᴄᴛᴀʀᴇ

Sᴏ,

6750 ᴍ2=6750×0.0001

                =0.675 ʜᴇᴄᴛᴀʀᴇ

Hᴇɴᴄᴇ ᴀʀᴇᴀ ᴏғ ɢʀᴏᴜɴᴅ =6750 ᴍ2=0.675 ʜᴇᴄᴛᴀʀᴇs.

ʜᴏᴘᴇ ɪᴛ's ʜᴇʟᴘ ʏᴏᴜ

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Answer 2

Usᴇ ᴛʜɪs ᴀᴛᴛᴀᴄʜᴍᴇɴᴛ ɴᴅ sᴡɪᴘᴇ ɴᴅ sᴇᴇ sᴛᴇᴘ ʙʏ sᴛᴇᴘ ɪs ᴛʜᴇʀᴇ sᴏ!!! Hᴏᴘᴇ ɪᴛs ʜᴇʟᴘ ᴜʜ ᴅʀ!!!!!

ɴᴇᴇ ᴛᴀᴍɪʟ ᴀʜ...ɴᴀɴᴜᴍ ᴛᴀᴍɪʟ ᴛʜᴀ.....ᴜʀ ɪɴᴛʀᴏ ᴘʟᴢ♥︎