Vinh has two wooden board. one board is 11 3/8 feet long and the other is 5 1/2 feet long. what is the difference in length of the boards?

Vinh has two wooden board. Difference of length of two boards is feet that is feet.

Solution:

Given that  

Vinh has two wooden boards

Length of one board = =

Length of second board = =

Difference of length of two boards = length of first board - length of second board

Difference of length of two boards =

On cross-multiplication we get,

hence difference of length two boards is feet that is feet.

1.0

step-by-step explanation:

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.