The length of a
a
rectangle i 20% mas
thon its breadth. What will be the
ratio of the area of a rectangle to
that of a square where side is equal
to the breadth of the rectangle?
Answers
Answer:
6 : 5
Description for Correct answer:
Let the breadth of the rectangle be x
∴ According to question,
Length = 1.20 x
∴ Area of rectangle = 1.20 x × x
= 1.20 x2
Area of square = x × x = x2
∴ Required ratio = 1.20x2x2
= 1210 = 65
Step-by-step explanation:
Let the breadth of rectangle be x
The length of a rectangle is 20% more than its breadth
Length = \frac{20}{100}x+x = 0.2x+x=1.2x
100
20
x+x=0.2x+x=1.2x
Area of rectangle = Length \times BreadthLength×Breadth
Area of rectangle = 1.2x\timesx1.2x\timesx
= 1.2x^21.2x
2
Side of square = Breadth of rectangle = x
So, area of square = Side^2 = x^2Side
2
=x
2
Now the ratio of the area of a rectangle to that of a square = \frac{1.2x^2}{x^2}
x
2
1.2x
2
= \frac{12}{10}
10
12
= \frac{6}{5}
5
6
Hence the ratio of the area of a rectangle to that of a square is 6:5