M= i + r ; solve for r
1 answer:
You might be interested in
Answer:
Therefore the area of rectangle is increased by 15.5%.
Step-by-step explanation:
Assume the length and width of the rectangle be x and y respectively.
The area of the rectangle is = length×width
=xy.
Now the length of the rectangle is increased by 10%.
Then the length of the rectangle increased = .
New length of the rectangle is
The width of the rectangle is increased by 5%.
Then the width of the rectangle increased = .
New length of the rectangle is
New area of the rectangle is =
= 1.155 xy.
The percentage of area increase is
=15.5.
Therefore the area of rectangle is increased by 15.5%.