Find the area of the octagon ABCDEFGHABCDEFGH having each side equal to 17 cm,CH=DG=33 cm and ELDG such that EL=15 cm.
    A B E F C D H G L 15 cm 17 cm 33 cm


Answer:

1311 cm2

Step by Step Explanation:
  1. Area of the octagon ABCDEFGH= Area of trapezium DEFG+ Area of trapezium ABCH+ Area of rectangle CDGH =2× Area of trapezium DEFG+ Area of rectangle CDGH=2×12×(EF+DG)×EL+(CH×CD)=(17+33)×15+(33×17) cm2=750+561 cm2=1311 cm2

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