Question

To the nearest square unit, what is the area of the shaded region?

Answer 1

first find out the area of the octagon and subtract the area of the square from it

Answer 2

do you know how to find the area of the octagon ?

Answer 3

No

Answer 4

Sorry for the late reply my computer crashed

Answer 5

This formula is for the area of all polygons, so you can apply it to an octagon as well:
Area = 1/2 * apothem * perimeter
the apothem is given in the question and you can find out the perimeter by 8 times length of each side

Answer 6

Ok, Thank you I'll try it out.