1.

Diagonal of a rectangle is inclined to the one side of the rectangle at  40 degree. Find the acute angle between the diagonals.  (I will report an inappropriate answer)​

Answer»

ANSWER:

ꜱᴏ ᴏᴅᴀ = 25 ᴅᴇɢ. ꜰʀᴏᴍ ꜱyᴍᴍᴇᴛʀy ᴏꜰ ᴀ ʀᴇᴄᴛᴀɴɢʟᴇ. ꜱᴏ ᴀᴏᴅ = 180 - 25 - 25 = 130 ᴅᴇɢ. ʜᴇɴᴄᴇ, ᴛʜᴇᴀᴄᴜᴛᴇ ᴀɴɢʟᴇ ʙᴇᴛᴡᴇᴇɴ ᴅɪᴀɢᴏɴᴀʟꜱ : 180 - 130 = 50 ᴅᴇɢ.



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