Triangles Side by Side

As we look at the skyline of Seattle, Washington, we see buildings in all shapes and sizes.  Constructing a skyscraper is not easy. It is amazing to think how much math architects  use as they plan and build these tall structures!

Seattle, Washington's Skyline

Look at the math skills listed below. 
Check each one you think architects use.  Then click here to check your answer.

Check your answer.

addition

multiplication geometry measurement

subtraction

division estimation fractions