Tuesday

September 30, 2014

September 30, 2014

Posted by **anonymous** on Tuesday, December 13, 2011 at 1:13pm.

- math -
**Reiny**, Tuesday, December 13, 2011 at 1:36pmThe altitude will be the opposite side to 60° angle of a 30-60-90 right-angled triangle, where the hypotenuse is the length of the equilateral triangle

let that side be x

sin 60° = 36/x

x = 36/sin60 = 36/(√3/2) = 72/√3 = appr. 41.6 feet

**Answer this Question**

**Related Questions**

Algebra - The perimeter of an equilateral triangle is 7 in. more than the ...

math - one side of an equilateral triangle is 42cm.find the length of an ...

Math - consider a triangle with vertices (a,b), (c,d), (e,f), with the area of ...

Maths - An equilateral triangle with side length 33 is divided into 33^2 smaller...

geometry - a rectangle and an equilateral triangle have the same perimeter the ...

algebra - Find the length of a side of an equilateral triangle with altitude of ...

Maths - An equilateral triangle with side length 33 is divided into 33^2 smaller...

math - The altitude of an equilateral triangle is 6 square 3 units long. The ...

mathematics - An equilateral triangle with side length 33 is divided into 332 ...

Math - A pentagon is formed by putting together three identical equilateral ...