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WELCOME TO THE WORLD OF MATHE MATICS. PRESENTED BY ANISHA SALIHA 10.H. TRIANGLE. QUADRILATERAL. NUMBER OF TRIAGLES=2 SUM OF ANGLES=2*180 0 =360 0. PENTAGON. NUMBER OF TRIANGLES=3 SUM OF ANGLES=3*180 0 =540 0. HEXAGON. NUMBER OF TRIANGLES =4 SUM OF ANGLES=4*180 0 =720 0. HEPTAGON.
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QUADRILATERAL • NUMBER OF TRIAGLES=2 • SUM OF ANGLES=2*1800=3600
PENTAGON • NUMBER OF TRIANGLES=3 • SUM OF ANGLES=3*1800=5400
HEXAGON • NUMBER OF TRIANGLES =4 • SUM OF ANGLES=4*1800=7200
HEPTAGON • NUMBER OF TRIANGLE=5 • SUM OF ANGLES=5*1800=9000
OCTAGON • NUMBER OF TRIANGLS=6 • SUM OF ANGLES=6*1800=10800