Question

Q4B. In triangle ABC, AB=AC, AC=CE AND BC=BD. Prove that: AD=BE​

Answer 1

Step-by-step explanation:

• ɢɪᴠᴇɴ: ɪɴ ᴀɴ ɪsᴏsᴄᴇʟᴇs ᴛʀɪᴀɴɢʟᴇ ᴀʙᴄ ᴡɪᴛʜ ᴀʙ = ᴀᴄ, ʙᴅ ᴀɴᴅ ᴄᴇ ᴀʀᴇ ᴛᴡᴏ ᴍᴇᴅɪᴀɴs. ... ɢɪᴠᴇɴ: ∆ᴀʙᴄ ɪs ᴀɴ ɪsᴏsᴄᴇʟᴇs ᴛʀɪᴀɴɢʟᴇ ɪɴ ᴡʜɪᴄʜ ᴀʙ = ᴀᴄ. sɪᴅᴇ ʙᴀ ɪs ᴘʀᴏᴅᴜᴄᴇᴅ ᴛᴏ ᴅ sᴜᴄʜ ᴛʜᴀᴛ ᴀᴅ = ᴀʙ. ᴛᴏ ᴘʀᴏᴠᴇ: ∠ʙᴄᴅ ɪs ᴀ ʀɪɢʜᴛ ᴀɴɢʟᴇ

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