Question

In a triangle,the side AB=4cm and the side BC=9cm. If the side AC is the mean proportional to AB and BC,find AC.​

Answer 1

Answer:

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ɪɴ ᴀ ᴛʀɪᴀɴɢʟᴇ,ᴛʜᴇ ꜱɪᴅᴇ ᴀʙ=4ᴄᴍ ᴀɴᴅ ᴛʜᴇ ꜱɪᴅᴇ ʙᴄ=9ᴄᴍ. ɪꜰ ᴛʜᴇ ꜱɪᴅᴇ ᴀᴄ ɪꜱ ᴛʜᴇ ᴍᴇᴀɴ ᴘʀᴏᴘᴏʀᴛɪᴏɴᴀʟ ᴛᴏ ᴀʙ ᴀɴᴅ ʙᴄ,ꜰɪɴᴅ ᴀᴄ.​

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x=6,exlanation is in the attachment:)