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1.9.3 Quiz: Area and Perimeter of Polygons
2 Points
The diagram below shows a square inside a regular octagon. The apothem of
the octagon is 18.11 units. To the nearest square unit, what is the area of the
shaded region?
Apothem length: 18.11

anser is a

step-by-step explanation:

negitive slope

56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6