Posted by **MARY** on Tuesday, March 16, 2010 at 4:44pm.

Two sides of a triangle measure 2x – 4 and 7x – 2 units, respectively. Which of these is a possible length for the third side of the triangle?

- geometry -
**Reiny**, Tuesday, March 16, 2010 at 4:56pm
You don't list any "which of these ..."

However, the sum of any two sides must be greater than 3rd side ,

so ..

2x-4 + 7x-2

= 9x - 6

So whichever is less than 9x-6 could be a

third side

- geometry -
**Laney**, Tuesday, March 16, 2010 at 7:25pm
describe how you would find the total area of the lateral faces of a cube?

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