Question

Top surface of a raised platform is in the shape of regular octagon as shown in the figure . Find the area of octagonal surface .
OPTIONS -
A. 327 cm^2
B. 378 cm^2
C. 265 cm^2
D. 544 cm^2​

Answer 1

Answer:

Area of rectangle =11×5=55 sq. metre

Area of trapezium = 1/2

×4×16=32 sq. metre

Total area =2×32+55=119 sq. metre