Kelly wants to enclose a rectangular area for her dog outside. The width of her yard is 20 feet, and the length is 35 feet. How many feet of fencing will Kelly need?

answer:

it is general formula that is used to write value to its excet position

a11 a12 a13

a21 a22 a23

it is the example of order 2 by 3 matrix in this

a11 means value occur in 1 st row 1st column

a12 means value occurs in 1st row 2nd column

a13 means value occur in 1st row and 3rd column

a21 means value occurs in 2nd row and 1st column

a22 means value occurs in 2nd row and in 2nd column

a23 means value occurs in 2nd row and in 3rd column

the correct answer would be:

220 centimeters

to get this you can use the pythagorean theorem

hope this

step-by-step explanation:

well kind of. you get friend requests. and you can accept them or not so yes.

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ok so what's the question?

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