Answer:
the value of both expressions when t = 3 is 33
the value of both expressions when t = 6 is 51
Step-by-step explanation:
33 33
51 51
The diagonal line is equal to

using pythagoras' theorem of

. This gives us a value of 51m for the diagonal line.
TOTAL; 51+24+45=120m of fencing
product means multiplication either
86n
or
86*n which are the same thing