lxciegf
lxciegf lxciegf
  • 25-02-2021
  • French
contestada

On augmente de 20% la longueur et on
diminue de 20% la largeur d'un rectangle de
dimensions 30 cm sur 20 cm. Quelle est, en
pourcentage, la variation de son aire ?​

Respuesta :

glfam
glfam glfam
  • 05-03-2021

Answer:

La variation de son aire est de 10%

Answer Link

Otras preguntas

Can anyone tell me this answer? Share £420 in the ratio 2:3?
What is 3 divided by 387 with a magnitude estimate
What fraction is equivalent to 123.5℅
According to modern science.earth is 4.5 billion yrs old and written human history extends about 10,000 yrs back. Suppose the entire history of earth is represe
Point C is graphed on a number line at –7. Point D is 13 units away from point C on the number line. What could be the coordinates of point D?     Choose all an
what are the natural resources found in north america
Classify the system and determine the number of solutions. Check all that apply.{7x + y = 1328x + 4y = -12A) inconsistentB)consistentC)infinitely  many soluti
Use scientific notation to perform 0.07x1600/0.0004
Kyle bought a 5 pound pumpkin for $2.60. how much did he pay per pound
4. For each function, write the rule in vertex form and find the coordinates of the max/min point on its graph. a) f(x)=x^2+12x+11 b) g(x)=x^2-4x+7 c) h(x)=x^2-