CBSE BOARD XII, asked by vsugunanaikvsrinunai, 8 months ago

6. The diagonal of a rectangular field i
60 metres more than the shorter side
If the longer side is 30 metres more
than the shorter side, find the sides of
the field.
(AS

Answers

Answered by Anonymous
13

\huge\bold{\mathtt {\purple{ A{\pink{ N{\green{ S {\blue{ W{\red{ E{\orange{ R}}}}}}}}}}}}}

ᴛʜᴇ ᴅɪᴀɢᴏɴᴀʟ ᴏғ ᴀ ʀᴇᴄᴛᴀɴɢᴜʟᴀʀ ғɪᴇʟᴅ ɪ

60 ᴍᴇᴛʀᴇs ᴍᴏʀᴇ ᴛʜᴀɴ ᴛʜᴇ sʜᴏʀᴛᴇʀ sɪᴅᴇ

ɪғ ᴛʜᴇ ʟᴏɴɢᴇʀ sɪᴅᴇ ɪs 30 ᴍᴇᴛʀᴇs ᴍᴏʀᴇ

ᴛʜᴀɴ ᴛʜᴇ sʜᴏʀᴛᴇʀ sɪᴅᴇ, ғɪɴᴅ ᴛʜᴇ sɪᴅᴇs ᴏғ

ᴛʜᴇ ғɪᴇʟᴅ.

\mathfrak\pink{\underline{\underline{SolutiOn-}}}

lєt thє lєngth σf thє shσrtєr sídє вє х mєtrєs. 

thє lєngth σf thє díαgσnαl= 60 + х mєtrєs

thє lєngth σf thє lσngєr sídє = 30 + х mєtrєs

αpplчíng pчthαgσrαs thєσrєm, 

díαgσnαl² = sídє² + shσrtєr sídє²

(60+х)² = (30 + х)² + х²

3600 + 120х+х² = 900 + 60х + х² + х²

2700 + 60х - х² = 0

2700 + 90х - 30х - х² = 0

90(30 + х)- х(30 + х) = 0

х = 90, 

shσrtєr sídє ís 90m,  lσngєr sídє ís 90+30=120m

Answered by Anonymous
3

\huge\bold{\mathtt{\purple{ A{\pink{\ N{\green{ S{\blue{ W{\red{ E{\orange{ R}}}}}}}}}}}}}

ᴛʜᴇ ᴅɪᴀɢᴏɴᴀʟ ᴏғ ᴀ ʀᴇᴄᴛᴀɴɢᴜʟᴀʀ ғɪᴇʟᴅ ɪ

60 ᴍᴇᴛʀᴇs ᴍᴏʀᴇ ᴛʜᴀɴ ᴛʜᴇ sʜᴏʀᴛᴇʀ sɪᴅᴇ

ɪғ ᴛʜᴇ ʟᴏɴɢᴇʀ sɪᴅᴇ ɪs 30 ᴍᴇᴛʀᴇs ᴍᴏʀᴇ

ᴛʜᴀɴ ᴛʜᴇ sʜᴏʀᴛᴇʀ sɪᴅᴇ, ғɪɴᴅ ᴛʜᴇ sɪᴅᴇs ᴏғ

ᴛʜᴇ ғɪᴇʟᴅ.

\mathfrak\pink{\underline{\underline{SolutiOn-}}}

lєt thє lєngth σf thє shσrtєr sídє вє х mєtrєs.

thє lєngth σf thє díαgσnαl= 60 + х mєtrєs

thє lєngth σf thє lσngєr sídє = 30 + х mєtrєs

αpplчíng pчthαgσrαs thєσrєm,

díαgσnαl² = sídє² + shσrtєr sídє²

(60+х)² = (30 + х)² + х²

3600 + 120х+х² = 900 + 60х + х² + х²

2700 + 60х - х² = 0

2700 + 90х - 30х - х² = 0

90(30 + х)- х(30 + х) = 0

х = 90,

shσrtєr sídє ís 90m, lσngєr sídє ís 90+30=120m

Similar questions