Posted by **Elizabeth Franco ** on Thursday, February 3, 2011 at 4:37pm.

Can you construct a triangle of side lengths of 7 inches, 8 inches, and 15 inches?

- GEOMETRY -
**Reiny**, Thursday, February 3, 2011 at 4:59pm
nope, not possible

In any triangle, the sum of any of the two sides must be greater than the third side

7+8 is not greater than 15, it is equal to 15

Try by making 15 the base, and then drawing the 7 and 8 inch sides above it.

They will lie flat on the base line, thus no triangle.

- GEOMETRY -
**MARISOL**, Thursday, February 17, 2011 at 4:11pm
The lengths of the two sides of a triangle are given. Descride the lengths possible for the third side. 8ft, 12ft.What is the answer.

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