Yes of course Google uses Angular. Not just google, many other big companies like Microsoft, Apple, Amazon and Forbes also use Angular.

Here are some examples:

Google

https://whichphone.withgoogle.com/

https://www.google.com/retail/#?modal_active=none

https://www.google.com/partners/

https://www.google.com/about/careers/applications/#/

https://www.google.com/edu/

https://www.google.com/express/

Apple

https://developer.apple.com/search/?q=wwdc&type=Videos

You can find a lot more here:

https://www.madewithangular.com