To determine the width of the border.
Answer to Problem 56E
The width of the border,
Explanation of Solution
Given:
Area to cover with patio bricks=722 square inches.
Calculation:
According to question,
Area to cover with patio bricks=722 square feet.
Formula for, area to cover with patio bricks= area of outer square- area of inner square
For outer square,
Length=28in
Breadth=22in
For inner square,
Length=28
Breadth=22
Therefore, area to cover with patio bricks=
On solving brackets,
So,
Opening brackets,
Taking all the terms on one side,
Finding the value of
On comparing the equation with
Substituting the values,
Opening brackets,
So,
Solving root,
Therefore,
So,
and
Length can never be negative,
Therefore,
Rounding of to nearest
Chapter 9 Solutions
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