isabellad2395 isabellad2395

12-03-2018
Mathematics

contestada

What is the length of each edge of a cube if its surface area is 486 square units?

Respuesta :

Аноним Аноним

12-03-2018

SA = 2LW + 2LH + 2WH

Since it is a cube, all of the dimensions, LWH, will be the same.

SA = 2s^2 + 2s^2 + 2s^2

SA = 6s^2486 = 6s^2

Divide both sides by 681 = s^2Take the square root of both sides. 9 = s

Hope this helped☺☺

Answer Link

Otras preguntas

how will you describe the pathway of the oxygen n the breathing system?

A 9.0 volt battery is connected to four resistors in a parallel circuit. The resistors have 7.0 Ω, 5.0 Ω, 4.0 Ω, and 2.0 Ω respectively. What is the total curre

What Is a Cause-Effect Essay?

In Seven Ages of man by William Shakespear What do you mean bySighing like furnace,with wipeful balladMade to his mistress eyebrow,Then the soldierJealous in ho

What Is a Cause-Effect Essay?

why was sputnik important?

scientists use the Celsius scale as the si unit of temperature. True or False

The smallest and the largest whole numbers that round to 70 when rounded to the nearest ten. What are the numbers....

what is the cuberoot of the squareroot of 324?

name two oil yielding crops