Answer: yes they are
Step-by-step explanation:
If two pairs of corresponding angles in a pair of triangles are congruent, then the triangles are similar. We know this because if two angle pairs are the same, then the third pair must also be equal.
5t = 25+2r
t = (25+2r)/5 or
t = 5 + (2/5)r
Exact Form:
8√5+14√3
Decimal Form:
6.36016748
It would be called an ecological model.