Top surface of a raised platform is in the shape of a regular octagon as shown in
the figure 14.12. Find the area enclosed by octagonal figure.
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Answered by
4
Answer:
Step-by-step explanation:
AREA enclosed by the OCTAGON
= AREA OF ABCH + DEFG + CDGH
= [1/2(5+11)4] + [1/2(5+11)4] + (5x11)
= 32 + 32 + 55
= 119m²
AREA OF TRAPEZIUM
= 1/2(sum of parallel sides)(altitude)
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Answered by
1
Step-by-step explanation:
area of ABCH + DEFG + CDGH
= [1/2(5+11)4] + [1/2(5+11)4] + (5 × 11)
= 32 + 32 + 55
= 119m^2
area of trapezium
= 1/2(sum of parallel side) altitude
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