landon9744 landon9744
  • 26-01-2019
  • Mathematics
contestada

What is the ratio for the surface areas of the rectangular prisms shown below, given that they are similar and that the ratio of their edge lengths is 3:1

Respuesta :

jimrgrant1 jimrgrant1
  • 26-01-2019

Answer:

9 : 1

Step-by-step explanation:

given a linear ratio = a : b, then the corresponding area ratio is

a² : b²

Here the linear ratio of their edges = 3 : 1, hence

ratio of surface areas = 3² : 1² = 9 : 1


Answer Link

Otras preguntas

Solve the literal equation for y. -12x-3y=15
Identify and describe the Five Pillars of Islam.
PLEASE HELP ASAP I HAVE 5 MINS TO ANSWER: Discuss the changes in potential energy, kinetic energy, and total energy for a skateboarder going up and down on a ha
Sentence using the word compound
A cruise ship travels directly toward the dock at a speed of 12 m/s
A cyclist accelerates from 0 meters per second to 8 meters per second in 3 seconds. What is his acceleration? Is his acceleration higher than that of a car acc
what does x equal 2x+9=33
how are the GCf and the LCM alike and different
Which statement is false?(1 point) a. every integer is a real number b. the number zero is a rational number c. every irrational number is real number d. every
what is the 399,713 rounded to the place value of the third underlined digit of 399