14-11-2020
Mathematics

contestada

[FIRST TO ANSWER GETS BRAINLIEST] Here is a rectangle ABCD. The length of the rectangle is increased by 10%. The width of the rectangle is increased by 5%. Find the percentage increased in the perimeter of tge rectangle.

FIRST TO ANSWER GETS BRAINLIEST Here is a rectangle ABCD The length of the rectangle is increased by 10 The width of the rectangle is increased by 5 Find the pe class=

Respuesta :

14-11-2020

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%

Answer Link

Otras preguntas

Posted the picture with the question so someone can help me solve

There are 8 ducks swimming in a pond. If 6 have green wings and 2 have blue wings, what fraction of the ducks have blue wings?

A water tank has the shape of a cone. the tank is 10 m high and has a radius of 3m at the top. of the water is 4 m deep, what is the surface area of the top of

Two one-liter containers each contain 10 moles of a gas. the temperature is the same in both containers. container a holds helium (molecular mass = 4 u), and co

Miguel is a cartoonist. Miguel drew 2 cartoon cells in 3 hours. If he keeps drawing at the same rate, about how many cells will he draw in 9 hours?

1.Which statement is true about the centroid of any triangle? The centroid is located at the intersection of the perpendicular bisectors of the sides. The c

Use triangle ABC to find the value of tan A

Henrietta solved a rational equation. Her work is shown. How could she solve it in a simpler way? A:She could use the least common multiple of the denominator.

Henry can write 555 pages of his novel in 333 hours.At this rate, how many pages can Henry write in 888 hours?

Aisy works at an ice-cream parlor. She is paid $10 per hour for the first 8 hours she works in a day. For every extra hour she works, she is paid 1.5 times her