Monday

December 22, 2014

December 22, 2014

Posted by **Juleana** on Saturday, March 19, 2011 at 4:20pm.

- math/ geometry. -
**Anonymous**, Saturday, March 19, 2011 at 4:39pmtan(120°/2)=(18/2)/h

tan(60°)=9/h

h=9/tan(60°)=9*ctg(60°)

h=9/sqroot(3)

9=3*sqroot(3)*sqroot(3)

h=3*sqroot(3)*sqroot(3)/sqroot(3)

h=3*sqroot(3)

h=5.1961524227

**Answer this Question**

**Related Questions**

Math (Proportions) - 3. The ratio of the altitude of a triangle to the length of...

math - an altitude of triangle is 5/3rd of the length of its corresponding base ...

corollary to isosceles triangle theorem - how to prove 1)the measure of each ...

Geometry - Using vectors, show that the centroid of a regular pyramid with a ...

geometry - Find the length of the altitude to the base of an isosceles triangle ...

Math - An isosceles triangle has its vertex at the origin and the ends of its ...

geometry - Each base of an isosceles triangle measures 42 degrees, 30'. The base...

college geometry - In a triangle the ratio of the base to its altitude is 2:3. ...

MATH trigonometry - in an isosceles triangle the vertex angle measures 90 ...

Geometry - Find the length of the altitude of an isosceles triangle if one side...