Height of Great Pyramid

[nycmathguy]

College Algebra
Chapter 1
Section 3

What is the similar triangle set up here?

 

[MathLover1]

2paces/3paces=h/240paces........cross multiply
2paces*240paces=h*3paces
480paces^2=h*3paces
h=480paces^2/3paces
h=160paces

 

[nycmathguy]

2paces/3paces=h/240paces........cross multiply
2paces*240paces=h*3paces
480paces^2=h*3paces
h=480paces^2/3paces
h=160paces

Wow! How quickly you found the number of paces.