CK12 - Geometry

Whatis the lengthof the altitude in the trianglebelow?

To find the altitudeof this triangle,find the geometricmeanof the two segmentsof the hypotenuse.In this

case,you needto find the geometricmeanof and. To find the geometricmean,find the productof the
two numbersand then take its squareroot.

So feet, or approximately feet.

Example 4

Whatis the lengthof the altitudein the trianglebelow?

The altitudeof this triangleis. Rememberthe altitudedoesnot alwaysgo “down”!To find , find
the geometricmeanof the two segmentsof the hypotenuse.Makesure that you fill in missinginformation

in the diagram.You knowthat the wholehypotenuse, is incheslong and inches,but you

needto know , the lengthof the longersubsectionof , to find the geometricmean.To do this,
subtract.

So inches.Write this measurementon the diagramto keeptrackof your work.