+0  
 
0
102
2
avatar+4 

an equilateral triangle has altitude length of 27 feet determine the length of a side of the triangle

 Feb 4, 2021
 #1
avatar+268 
+7

https://mi01000971.schoolwires.net/cms/lib/MI01000971/Centricity/Domain/2361/7.4%20Review%20WS%20KEY.pdf

 

Go to the 2nd Page

 Feb 4, 2021
 #2
avatar+118470 
+2

The altitude, 1/2 base length  and the  side form  a 30-60-90  right triangle

 

The  altitude  is  opposite  a 60° angle

 

The side is  opposite a  90° angle

 

Using the relationships in this triangle :

 

The  side =   2 /sqrt (3)  * 27  =    54/sqrt (3)   =  54sqrt (3) / 3  =  18sqrt (3)

 

 

cool cool cool

 Feb 4, 2021

19 Online Users

avatar
avatar