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Mathematics 18 Online
OpenStudy (anonymous):

can anyone answer this ? If the measures of two sides of a triangle are 3 feet and 7 feet, which of the following is a possible whole number measure for the third side? A. 3 B. 4 C. 5 D. 10

OpenStudy (anonymous):

@Directrix

Directrix (directrix):

Use the Triangle Inequality Theorem. One side of a triangle is less than the sum of the other two but greater than the positive difference of those two sides.

Directrix (directrix):

4 < mystery side < 10 so what is the mystery side. Look at the options.

OpenStudy (anonymous):

C ?

Directrix (directrix):

5 could be the mystery side, yes.

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