Math, asked by Anonymous, 5 months ago

if the areas of two similar triangles are equal, prove that they are congruent.​

Answers

Answered by Anonymous
6

 \huge{\blue{\fcolorbox{blue}{lime}{\boxed{\orange{\bf{\underbrace{\overbrace{\fcolorbox{blue}{black}{\underline{\blue{《 QuEsTiOn》}}}}}}}}}}}

if the areas of two similar triangles are equal, prove that they are congruent

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Refer the attachment pls☝️☝️

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Answered by PreciouStone
107

\huge\boxed{\fcolorbox{black}{pink}{ꪖꪀร᭙ꫀɾ}}

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❑ ɪғ ᴛʜᴇ ᴀʀᴇᴀs ᴏғ ᴛᴡᴏ sɪᴍɪʟᴀʀ ᴛʀɪᴀɴɢʟᴇs ᴀʀᴇ ᴇǫᴜᴀʟ, ᴘʀᴏᴠᴇ ᴛʜᴀᴛ ᴛʜᴇʏ ᴀʀᴇ ᴄᴏɴɢʀᴜᴇɴᴛ.

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ʟᴇᴛ:- ᴛᴡᴏ ᴛʀɪᴀɴɢʟᴇꜱ, △ᴀʙᴄ ᴀɴᴅ △ᴅᴇꜰ

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ɢɪᴠᴇɴ:- ᴀʀᴇᴀ ᴏꜰ ʙᴏᴛʜ ᴛʜᴇ ᴛʀɪᴀɴɢʟᴇꜱ ᴀʀᴇ ᴇQᴜᴀʟ ᴀɴᴅ ʙᴏᴛʜ ᴀʀᴇ ꜱɪᴍɪʟᴀʀ

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ᴛᴏ ᴘʀᴏᴠᴇ:- ʙᴏᴛʜ ᴛʜᴇ ᴛʀɪᴀɴɢʟᴇꜱ ᴀʀᴇ ᴄᴏɴɢʀᴜᴇɴᴛ, △ᴀʙᴄ ≌ △ᴅᴇꜰ

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ᴘʀᴏᴏꜰ:-

ᴡᴇ ᴋɴᴏᴡ ᴛʜᴀᴛ ᴀʀᴇᴀ ᴏꜰ ʙᴏᴛʜ ᴛᴇ ᴛʀɪᴀɴɢʟᴇꜱ ᴀʀᴇ ᴇQᴜᴀʟ, ᴛʜᴀᴛ ɪꜱ, ar(△ᴀʙᴄ)= ar(△ᴅᴇꜰ)

 \frac{ar(△ᴀʙᴄ)}{ar(△ᴅᴇꜰ)}  = (\frac{ʙᴄ}{ᴇꜰ})^{2}  =  (\frac{ᴀʙ}{ᴅᴇ})^{2}  =  (\frac{ᴀᴄ}{ᴅꜰ})^{2}

 \frac{ar(△ᴅᴇꜰ)}{ar(△ᴅᴇꜰ)}  = (\frac{ʙᴄ}{ᴇꜰ})^{2}  =  (\frac{ᴀʙ}{ᴅᴇ})^{2}  =  (\frac{ᴀᴄ}{ᴅꜰ})^{2}

 1  = (\frac{ʙᴄ}{ᴇꜰ})^{2}  =  (\frac{ᴀʙ}{ᴅᴇ})^{2}  =  (\frac{ᴀᴄ}{ᴅꜰ})^{2}

ɴᴏᴡ ᴡᴇ ᴄᴀɴ ᴛᴀᴋᴇ,

 1  = (\frac{ʙᴄ}{ᴇꜰ})^{2}

 1  =  (\frac{ᴀʙ}{ᴅᴇ})^{2}

 1  = (\frac{ᴀᴄ}{ᴅꜰ})^{2}

ᴛʜɪꜱ ᴍᴇᴀɴꜱ ᴀʟʟ ᴛʜᴇ ꜱɪᴅᴇꜱ ᴀʀᴇ ᴇQᴜᴀʟ ᴛʜᴀᴛ ɪꜱ,

ʙᴄ=ᴇꜰ

ᴀʙ=ᴅᴇ

ᴀᴄ=ᴅꜰ

ɪɴ △ᴀʙᴄ ᴀɴᴅ △ᴅᴇꜰ

ʙᴄ=ᴇꜰ, ᴀʙ=ᴅᴇ, ᴀᴄ=ᴅꜰ

ᴛʜᴇʀᴇꜰᴏʀᴇ, ʙʏ ꜱꜱꜱ ᴄᴏɴɢʀᴜᴇɴᴄʏ △ᴀʙᴄ ≌ △ᴅᴇꜰ

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ʜᴇɴᴄᴇ ᴘʀᴏᴠᴇᴅ

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