Find the area of octagon ABCDEFGH having each side equal to 5 CM, HC =11 CM apart perpendicular to HC such that AP =4cm
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Answer:
= 4 cm All sides = 5 cm HC = GD = 11 cm Area of trapezium ABCH = Area of trapezium GDEF Area of a trapezium = 12(a + b)h = 12(5 + 11) × 4 = 32 cm^2 ...
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Step-by-step explanation:
step by step explanation: Area of rectangle HCGD- LENGTH*BREATH. =11×5. =55cm^2. AREA OF TRAPEZIUM ABHC=AREA OF TRAPEZIUM GDFE. =2{1/2*(11+5)*4} =64 cm^2. TOTAL AREA OF OCTAGON=55+64. =119cm^2.
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