Answer:
144
Step-by-step explanation:
Surface Area is the area of every side.
Top and bottom: 6*8/2=24 (area of a triangle)
small side: 6*4=24
medium side: 4*8=32
large side: 4*10=40
So answer 24+24+24+32+40=144
Have a Great Day! (This is my first answer)
