Saturday

July 26, 2014

July 26, 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

**Related Questions**

yet another geometry question - Points D, E and F are the midpoints of the sides...

geometry - : the perimeter of triangle abc is 26m bc is two -thirds as long as ...

geometry - In triangle ABC, if line BC is one inch longer than line AB, line AC ...

geometry - triangle abc is similar to def, the lengths of the sides of triangle ...

Centroids and Triangles - determining perimeter? - Let G denote the centroid of ...

Math (Geometry) - The perimeter of right triangle ABC is equal to the perimeter ...

algebra - the length of a rectangle is twice its width w. A second triangle, ...

Trig - Its a 30-60-90 triangle there's a line in the center that= 10 a. What is ...

geometry - Triangle ABC is similar to triangle DEF. The sides of ABC are 5,8 and...

Geometry - Right triangle ABC has one leg of length 12 in and a hypotenuse of ...