ʜᴏᴡ ᴍᴀɴʏ ᴅɪᴀɢᴏɴᴀʟs ᴅᴏᴇs ᴇᴀᴄʜ ᴏғ ᴛʜᴇ ғᴏʟʟᴏᴡɪɴɢ ʜᴀᴠᴇ?
ᴀ) ᴀ ᴄᴏɴᴠᴇx ǫᴜᴀᴅʀɪʟᴀᴛᴇʀᴀʟ (ʙ) ᴀ ʀᴇɢᴜʟᴀʀ ʜᴇxᴀɢᴏɴ (ᴄ) ᴀ ᴛʀɪᴀɴɢʟᴇ
ᴍᴇʀᴀ ʙʜɪ..
ᴋʏᴀ ʜᴀᴀʟ ʜᴀɪ..
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ʜᴇʜᴇ.. ʜᴀᴀʟ ʙᴇʜᴀᴀʟ ᴋʀɴᴇ ᴠᴀʟɪ ᴘᴜᴄʜ ʀᴇʟɪ ʜᴀɪ ᴋʏᴀ ʜᴀᴀʟ ʜᴀɪ..
Let ABCD be a convex quadrilateral.
From the figure, we infer that the quadrilateral ABCD is formed by two triangles,
i.e. ΔADC and ΔABC.
Since, we know that sum of interior angles of triangle is 180°,
the sum of the measures of the angles is 180° + 180° = 360°
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The Sputnik 1 spacecraft was the first artificial satellite successfully placed in orbit around the Earth and was launched from Baikonur Cosmodrome at Tyuratam (370 km southwest of the small town of Baikonur) in Kazakhstan, then part of the former Soviet Union.
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