how many different sized rectangles have perimeter of 16m? the lenghts of each side must be whole numbers?

Answer 1

OK

P = 2L + 2W so L and W must be less than 8 so,....

L - W
7 x 1 ; p = 16
6 x 2 ; p = 16
5 x 3 ; p = 16
4 x 4 ; p = 16
3 x 5 ; p = 16
2 x 6 ; p = 16
1 x 7 ; p = 16

I have 7 different sizes
Hope that helps!

Answer 2

Three


5+5+3+3
6+6+2+2
7+7+1+1

Answer 3

Well, the long side cannot be 8m, so start with 7 x 1.
Then: 6 x 2, 5 x 3, & 4 x 4, then they repeat over.
So the answer is 4 different sizes.

Answer 4

Perimeter means the completed length of each and every of the climate. A sq. has 4 components, and each and each of them is an identical length. So as a manner to discover the dimensions of one side, all we'd desire to do is divide the fringe through four. So sixteen.4 divided through four is 4.a million, consequently the two components is 4.1cm.

Answer 5

2*a+2*b=16

1<= a <=7
1<= b <=7

we have
a = 1 b = 7
a = 2 b = 6
a = 3 b = 5
a = 4 b = 4

Then we redo it

we have 8 different rectangles with perimeter of 16.

Answer 6

since the perimeter is 16, the length+width is 8

1+7
2+6
3+5
4+4

so there are 4 combinations

Answer 7

well, it depends. either 4 or 7. like if you have a rectangle with sides of 1m - 7m -1m -7m, is that the same as 7m-1m-7m-1m? if it is, then there are 4 combinations. if not, there are seven, like below.
1-7-1-7
2-6-2-6
3-5-3-5
4-4-4-4
5-3-5-3
6-2-6-2
7-1-7-1

Answer 8

1+1+5+5
2+2+4+4

So 2

Answer 9

um just use common knowledge. like first do the short sides as 1, then 2. and keep goin.

Answer 10

1,1,7,7
2,2,6,6
3,3,5,5
4,4,4,4 - a square is a rectangle.

Could also reverse the order, depending on how you're defining different.