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January 31, 2015

January 31, 2015

Posted by **Ryan** on Monday, November 12, 2012 at 5:47pm.

The figure is made up of 2 indentical triangles, a 15 inch by 12 inch rectangle & a square of side 19 inches. What is the length of 1 side of each triangle if all the sides of the triangles are equal in length?

- 5th Gr Math -
**Reiny**, Monday, November 12, 2012 at 6:24pmThe rectangle needs 2(15) + 2(12) or 54 inches

the square needs 4(19) or 6 inches.

So far we need 130 inches, leaving 90 for the 2 triangles.

For the two identical equilateral triangles we need 6 equal lengths or 90/6 or 15 inches for each side of the triangle

- 5th Gr Math -
**aya**, Monday, January 12, 2015 at 5:41pm15 inches

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