EstrellitaS254896 EstrellitaS254896
  • 25-10-2022
  • Mathematics
contestada

Please help me out i have gotten 2 different answers by 2different people

Please help me out i have gotten 2 different answers by 2different people class=

Respuesta :

NichelleL578225 NichelleL578225
  • 25-10-2022

The formula for the surface area is expressed as

A = 2bh + 2lw + 2hl

To solve for l, we would make the terms containing l to stand alone on one side of the equation. It becomes

2hl + 2lw = A - 2bh

We would factorise l on the left hand side of the equation. it becomes

l(2w + 2h) = A - 2bh

Dividing both sides of the equation by 2h + 2w, it becomes

l = (A - 2bh)/(2w + 2h)

The correct option is A

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