How old was Isaac when he died?
Isaac lived 180 years, from 1896 BC to 1716 BC.
Isaac died at 180. The chart places his birth at 1896 BC and his death at 1716 BC, on the Ussher chronology it follows. The child of promise, born when Abraham was 100. (Gen. 21; 35:28)
See it in context
A date means more beside its neighbours. The chart puts this answer in place next to everything happening around it — biblical and world history across the same six thousand years.
Now see where it sits
Everything on this page has a place on one 45×37″ chart — and once you can see what came before and after it, it stops being a fact and starts being a story you can follow.