Tow poles of height 6metre and 11metre are standing on a level ground. The distance between their poles is 12metre. Find the height of the top of the poles
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AB2+BC2=AC2 (Pythagoras theorem)
AB=11-6=5m,BC=12m,AC=?
5square+12square=AC
25+144=AC
169=ACsquare
AC=13m
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