Answer:
340
Step-by-step explanation:
first you have to find one side
i will go with 10 and 8
10*8=80
there are two of them
160 save this number in your bank
8*5=40 for the base
there are two of these too
80 save this number in your mental bank
for the last side 10 and 5
10*5=50 there are two of them
100
now add them all up
100+80+160=340
hope this helps!
