Question

To the nearest square unit, what is the area of the regular octagon shown below

Answer 1

Look at the picture.


`A_\Delta=(15\cdot18.1)/(2)=(271.5)/(2)=135.75`

Area of the regular octagon:


`A=8\cdot A_\Delta\to A=8\cdot135.75=1086`

Answer: 1086 square units.