Give two examples each of right,acute and obtuse angles from your environment.
Answers
Answer:
The angle formed by the two adjacent edges of a book is a right angle. Two examples of acute angle in our environment are: ... (i) The smaller angle formed by the two adjacent blades of a fan. (ii) The smaller angle formed by the two sloping sides of a roof of a hut is an obtuse angle
ᴛʜᴇ ᴛᴡᴏ ᴇxᴀᴍᴘʟᴇs ᴏғ ʀɪɢʜᴛ ᴀɴɢʟᴇ ᴀʀᴇ :
ᴛᴡᴏ ᴀᴅᴊᴀᴄᴇɴᴛ ᴡᴀʟʟs ᴏғ ᴀ ʀᴏᴏᴍ ᴀɴᴅ ᴀᴅᴊᴀᴄᴇɴᴛ ᴇᴅɢᴇs ᴏғ ᴀ ʙᴏᴏᴋ.
ᴛʜᴇ ᴛᴡᴏ ᴇxᴀᴍᴘʟᴇs ᴏғ ᴀᴄᴜᴛᴇ ᴀɴɢʟᴇ ᴀʀᴇ :
ᴛᴡᴏ ᴀᴅᴊᴀᴄᴇɴᴛ sɪᴅᴇs ᴏғ ᴛʜᴇ ʟᴇᴛᴛᴇʀ Z ᴀɴᴅ ᴛᴡᴏ ᴀᴅᴊᴀᴄᴇɴᴛ ғɪɴɢᴇʀs ᴏғ ᴏᴜʀ ʜᴀɴᴅ.
ᴛʜᴇ ᴛᴡᴏ ᴇxᴀᴍᴘʟᴇs ᴏғ ᴏʙᴛᴜsᴇ ᴀɴɢʟᴇ ᴀʀᴇ :
ᴛᴡᴏ sʟᴏᴘɪɴɢ sɪᴅᴇs ᴏғ ᴀ ʀᴏᴏғ ᴀɴᴅ ᴛᴡᴏ ᴀᴅᴊᴀᴄᴇɴᴛ ʙʟᴀᴅᴇs ᴏғ ᴀ ғᴀɴ.
ᴀɴ ᴀɴɢʟᴇ ɪs ғᴏʀᴍᴇᴅ ʙʏ ᴛᴡᴏ ᴀᴅᴊᴀᴄᴇɴᴛ ғɪɴɢᴇʀs.ᴡʜᴀᴛ ᴋɪɴᴅ ᴏғ ᴀɴɢʟᴇ ᴡɪʟʟ ɪᴛ ᴀᴘᴘᴇᴀʀ?
ᴛʜᴇ ᴀɴɢʟᴇ ғᴏʀᴍᴇᴅ ʙʏ ᴛᴡᴏ ᴀᴅᴊᴀᴄᴇɴᴛ ғɪɴɢᴇʀs ᴡɪʟʟ ᴀᴘᴘᴇᴀʀ ᴀs ᴀᴄᴜᴛᴇ ᴀɴɢʟᴇ.
ɪғ ᴀ ʙɪᴄʏᴄʟᴇ ᴡʜᴇᴇʟ ʜᴀs 48 sᴘᴏᴋᴇs,ᴛʜᴇɴ ғɪɴᴅ ᴛʜᴇ ᴀɴɢʟᴇ ʙᴇᴛᴡᴇᴇɴ ᴀ ᴘᴀɪʀ ᴏғ ᴀᴅᴊᴀᴄᴇɴᴛ sᴘᴏᴋᴇs.
ᴛʜᴇ ᴄᴇɴᴛʀᴀʟ ᴀɴɢʟᴇ ɪɴ ᴀ ʙɪᴄʏᴄʟᴇ ɪs 360° ᴡʜɪᴄʜ ᴄᴏɴsɪsᴛs ᴏғ 48 sᴘᴏᴋᴇs.
sᴏ ᴛʜᴇ ᴀɴɢʟᴇ ʙᴇᴛᴡᴇᴇɴ ᴀ ᴘᴀɪʀ ᴏғ ᴀᴅᴊᴀᴄᴇɴᴛ sᴘᴏᴋᴇs = 360/48 = 7.5°
ʜᴇɴᴄᴇ,ᴛʜᴇ ᴀɴɢʟᴇ ʙᴇᴛᴡᴇᴇɴ ᴀ ᴘᴀɪʀ ᴏғ ᴀᴅᴊᴀᴄᴇɴᴛ sᴘᴏᴋᴇs ɪs 7.5°