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Chapter: 4 / Q: 1
(Geometry: area of a pentagon) Write a program that prompts the user to enter the length from the center of a pentagon to a vertex and computes the area of the pentagon, as shown in the following figure
Chapter: 4 / Q: 2
(Geometry: great circle distance) The great circle distance is the distance between two points on the surface of a sphere
Chapter: 4 / Q: 3
(Geography: estimate areas) Find the GPS locations for Atlanta, Georgia; Orlando, Florida; Savannah, Georgia; and Charlotte, North Carolina from www.gps-data-team.com/map/ and compute the estimated area enclosed by these four cities
Chapter: 4 / Q: 4
(Geometry: area of a hexagon) The area of a hexagon can be computed using the following formula (s is the length of a side):
Chapter: 4 / Q: 5
(Geometry: area of a regular polygon) A regular polygon is an n-sided polygon in which all sides are of the same length and all angles have the same degree (i.e., the polygon is both equilateral and equiangular). The formula for computing the area of a regular polygon is
Chapter: 4 / Q: 6
(Random points on a circle) Write a program that generates three random points on a circle centered at (0, 0) with radius 40 and display three angles in a triangle formed by these three points, as shown in Figure 4.7a
Chapter: 4 / Q: 7
(Corner point coordinates) Suppose a pentagon is centered at (0, 0) with one point at the 0 o’clock position, as shown in Figure 4.7c
Chapter: 4 / Q: 8
(Find the character of an ASCII code) Write a program that receives an ASCII code (an integer between 0 and 127) and displays its character. Here is a sample run:
Chapter: 4 / Q: 9
(Find the Unicode of a character) Write a program that receives a character and displays its Unicode. Here is a sample run:
Chapter: 4 / Q: 10
(Guess birthday) Rewrite Listing 4.3, GuessBirthday.java, to prompt the user to enter the character Y for Yes and N for No rather than entering 1 for Yes and 0 for No
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