Posted by Will on Saturday, January 1, 2011 at 8:53pm.
Triangle ABC is similar to triangle MBN. Therefore, the corresponding sides are proportional:
MN/AC = BM/AB,
MN/12 = 4/8,
Cross multiply:
8MN = 48,
MN = 6.
Related Questions
Geometry - Is it possible for AB = 10, BC = 2x + 5 and AC = 5x, given that point...
Math - Trigonometry problem: The sides AB and AC of triangle ABC are of lengths ...
Geometry - Given b is the midpoint of AC. AB=6x+7 and BC is 18x-4 what is the ...
geometry - Let ABC be a right triangle with ACB =90, AC =6 , and BC =2. E is the...
geometry - In triangle ABC, if line BC is one inch longer than line AB, line AC ...
geometry - If R is the midpoint of AB and S is the midpoint of BC and AS:SC=3:2...
geometry - Point B is midpoint of Lince AC. Given: AB=2x-1 BC=4x+2 AC=25 Find: ...
Geometry - B is the midpoint of segment AC. AB= 5X and BC =3X+4 find AB, BC and ...
Geometry - Geometric Proofs.... Write a justification for each step Given: AB = ...
Advanced Maths (Vectors) AQA Level - Triangle ABC with D, E and F the midpoints ...
For Further Reading
