Respuesta :

THE awnser is A because 5.1*2 =10.2 then so 10.2 +3.4= 13.6
The other sides of the triangle are 5.1 meters because if you subtract 3.4 from 13.6, then there is 10.2 meters left and the two sides are equal, then divide 10.2 by 2 in order to get 5.1.