[FIRST TO ANSWER GETS BRAINLIEST] Here is a rectangle ABCD. The length of the rectangle is increased by 10%. The width of the re

Question

MArishka [77]

3 years ago

9

[FIRST TO ANSWER GETS BRAINLIEST] Here is a rectangle ABCD. The length of the rectangle is increased by 10%. The width of the re

ctangle is increased by 5%. Find the percentage increased in the perimeter of tge rectangle.

Mathematics

1 answer:

erastovalidia [21] · Answer 1 · 2022-06-09T23:44:16+03:00

erastovalidia [21]3 years ago

6 0

New length = 30x110% = 33cm
new width = 20x105% = 21cm

original perimeter = 30x2 + 20x2
= 60 + 40 = 100
new perimeter = 33x2 + 21x2
= 66 + 42 = 108

increase in perimeter = 108-100 = 8
percentage increase = 8/100 x 100% = 8%