Wednesday

July 30, 2014

July 30, 2014

Posted by **Khusbu** on Saturday, June 28, 2014 at 4:08am.

- math -
**MathMate**, Saturday, June 28, 2014 at 5:53amIf the shapes are similar, area increase as the square of the ratio of the lengths.

In this case, the shape remains the same,

so

old area = d*n

new area = (1.1d)(1.1n)

= (1.1)² dn

= (1.1)² old area

Percentage increase in area

= 1.1²-1

= 21%

**Related Questions**

math - a rectangle is twice as long as it is wide. if both of its dimensions are...

math - 4. the area of a rectangle is 450 m^2. both the length and width of the ...

math - the length of a rectangle exceeds its breadth by 4cm. The length and ...

trigonometry - the length of a rectangle is 2cm longer than the width. if its ...

trigonometry - the length of a rectangle is 2cm longer than the width. if its ...

maths - The length and breadth of a rectangle are (3x - 4y) and (2x - 3y) units ...

math - the dimensions of a rectangle are such that its length is 3 inches more ...

Math - If the length of a rectangle is increased by 120%, and its width is ...

Algebra - Length of rectanngle is 1 cm more than width. If length of rectangle ...

math - If the length of a rectangle is increased by 25%, by what percentage ...