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December 20, 2014

December 20, 2014

Posted by **Anonymous** on Sunday, January 16, 2011 at 11:42am.

• AB is x cm long

• BC is twice the length of AB

• AC is 10 cm longer than AB.

The perimeter of the triangle is 42 cm.

Write down an equation in x and solve it.

Use your answer to find the lengths of the sides of the triangle.

- geometry -
**bobpursley**, Sunday, January 16, 2011 at 1:13pmBC=2x

Ac=x+10

permiter=42=x+2x + 10+x

solve for x

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