+0  
 
0
57
1
avatar+4 

How high is a tree that casts a 35​-ft shadow at the same time a 5​-ft pole casts a shadow which is 9​-ft​ long?

 Nov 22, 2020
 #1
avatar
0

 

How high is a tree that casts a 35​-ft shadow at the same time a 5​-ft pole casts a shadow which is 9​-ft​ long?   

 

                                               H            5  

This is a proportion:              –––   =   –––  

                                              35           9  

 

Do they still call it

cross-multiplying                     9H   =   (35)(5)  

 

                                                9H   =   175  

 

                                                  H   =   19.44  

.

 Nov 22, 2020

27 Online Users

avatar
avatar
avatar