Copyright © University of Cambridge. All rights reserved.
'Triangular Teaser' printed from https://nrich.maths.org/
The triangle $T$ has sides of length $6$, $5$, $5$. The triangle $U$ has sides of length $8$, $5$, $5$.
What is the ratio area $T$ : area $U$?
If you liked this problem,
here is an NRICH task that challenges you to use similar mathematical ideas.