Structures for Storing Geographic Data - Introducing Geographic Information Systems with ArcGIS - page 270

Exercise 4-5 (Quick Quiz)

Areas and Perimeters

For each pair of polygons in Figure 4-20, write the Shape_area and Shape_length (perimeter) in the table.
The length of each side of the large square is 12. The length of each sided of each small square is 4.

A C E

B D F

G I K

J

M

H L

FIGURE 4-20 Area and perimeter quiz

Polygon Area Perimeter

A
B
C
D
E
F
G
H
I
J
K
L
M 8

8 The dashed lines shown are a hint regarding the area of polygon M, which is a triangle. If a right isosceles triangle has
a hypotenuse of length 1, the length of a side is approximately 0.7—or less approximately, 0.70710678118.