Question

10) Construct the perpendicular bisector of a given line 7.5cm​

Answer 1

Answer:

taking Linesegment 7.5 AB

draw two arcs from both points A and B by taking more than half length

join the line of intersection of arcs

so we can get a perpendicular bisector 3.72cm

Answer 2

Answer:

ʜᴇʀᴇ ᴀʀᴇ ᴛʜᴇ sᴛᴇᴘs ᴏғ ᴄᴏɴsᴛʀᴜᴄᴛɪᴏɴ

1) ᴅʀᴀᴡ ᴀ ʟɪɴᴇ ʟ . ᴍᴀʀᴋ ᴘᴏɪɴᴛ ᴀ ᴏɴ ɪᴛ.

.2) sɪɴᴄᴇ ʟᴇɴɢᴛʜ ɪs 7.5 ᴄᴍ, ᴡᴇ ᴍᴇᴀsᴜʀᴇ 7.5 ᴄᴍ ᴜsɪɴɢ ʀᴜʟᴇʀ ᴀɴᴅ ᴄᴏᴍᴘᴀss.

3) ɴᴏᴡ ᴋᴇᴇᴘɪɴɢ ᴄᴏᴍᴘᴀss ᴏᴘᴇɴᴇᴅ ᴛʜᴇ sᴀᴍᴇ ʟᴇɴɢᴛʜ, ᴡᴇ ᴋᴇᴇᴘ ᴘᴏɪɴᴛᴇᴅ ᴇɴᴅ ᴀᴛ ᴘᴏɪɴᴛ ᴀ, ᴀɴᴅ ᴅʀᴀᴡ ᴀɴ ᴀʀᴄ ᴏɴ ʟɪɴᴇ ʟ.

4) sᴏ, ᴛʜᴇ ʀᴇǫᴜɪʀᴇᴅ ʟɪɴᴇ sᴇɢᴍᴇɴᴛ ɪs ᴀʙ=7.5 ᴄᴍ

5) ɴᴏᴡ ᴡɪᴛʜ ᴀ ᴀs ᴄᴇɴᴛʀᴇ ᴀɴᴅ ʀᴀᴅɪᴜs ᴍᴏʀᴇ ᴛʜᴀɴ ʜᴀʟғ ᴀʙ, ᴅʀᴀᴡ ᴀɴ ᴀʀᴄ ᴏɴ ᴛᴏᴘ ᴀɴᴅ ʙᴏᴛᴛᴏᴍ ᴏғ ᴀʙ.

.6) ɴᴏᴡ ᴡɪᴛʜ ʙ ᴀs ᴄᴇɴᴛʀᴇ ᴀɴᴅ sᴀᴍᴇ ʀᴀᴅɪᴜs, ᴅʀᴀᴡ ᴀɴ ᴀʀᴄ ᴏɴ ᴛᴏᴘ ᴀɴᴅ ʙᴏᴛᴛᴏᴍ ᴏғ ᴀʙ.

.7) ᴡʜᴇʀᴇ ᴛʜᴇ ᴛᴡᴏ ᴀʀᴄs ɪɴᴛᴇʀsᴇᴄᴛ ᴀʙᴏᴠᴇ ᴀʙ ɪs ᴘᴏɪɴᴛ ᴄ ᴀɴᴅ ᴡʜᴇʀᴇ ᴛʜᴇ ᴛᴡᴏ ᴀʀᴄs ɪɴᴛᴇʀsᴇᴄᴛ ʙᴇʟᴏᴡ ᴀʙ ɪs ᴘᴏɪɴᴛ ᴅ.

.8) ᴊᴏɪɴ ᴄᴅ.

ᴄᴅ ɪs ᴛʜᴇ ᴘᴇʀᴘᴇɴᴅɪᴄᴜʟᴀʀ ʙɪsᴇᴄᴛᴏʀ ᴏғ ᴀʙ.

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