return length(width);

return 2*length+2*width;

return = length*width;

return perimeter;

return

(y2-y1)/(x2-x1);

return

((int)y2-y1)/(x2-x1);

return

(1.0*y2-y1)/(x2-x1);

double return

(y2-y1)/(x2-x1);

I and III

I, II, and III

I and II

II only

1

1.0

4.0

-5

9.0

1

1.0

4

10.0

10

int a, int b, int c

3, 5, 7

triangle

side_a, side_b, side_c

public void prt()

{ System.out

.print(side_a); }

public int prt()

{ return

side_a; }

public prt()

{ System.out

.print(side_a); }

Perimeter rect = new Perimeter();

public void prt(int b)

{ side_b = b; }

public int prt()

{ return

System.out

.print(side_a); }

public prt()

{ System.out

.print(side_a); }

Perimeter rect = new Perimeter();

public void prt()

{ int side_a=0,

side_b=0, side_c=0; }

public int prt()

{ int side_a=0,

side_b=0, side_c=0; }

public prt()

{ int side_a=0,

side_b=0, side_c=0; }

Perimeter rect = new Perimeter();

public void prt()

{ int side_a=0,

side_b=0, side_c=0; }

public int prt()

{ int side_a=0,

side_b=0, side_c=0; }

public prt()

{ int side_a=0,

side_b=0, side_c=0; }

Perimeter rect = new Perimeter();

4

3

2

1

7.6

6.1

3.5

2.5

3.5

6.1

7.6

2.5

0

1

2

3