Posted by **sreve** on Sunday, April 3, 2011 at 11:22am.

the perimeter of triangle ABC is 21 units. Give the perimeter of the triangle formed by its midsegments (connecting midpoints of all sides).

- geometry -
**tchrwill**, Sunday, April 3, 2011 at 11:51am
Connecting the mid-points of the triangle sides creates a triangle with sides of half the lengths of the given triange making the perimeter 10.5.

- geometry -
**sindy**, Friday, September 5, 2014 at 3:36pm
Two sides of a triangle ABC have lengths 7cm and 9cm. Which of the following could not be the length of triangle ABC's third side

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