Just add the two bases plus the lateral area. so it would be 706.5+706.5+471.
30÷5 (the 5 parts from 2:3) is 6 so the first group gets 12 (2x6) and the second gets 18 (3x6)
the question is not so clear
is it (x+3)/3 or what you have written is correct
Step-by-step explanation:
Answer:
150
Step-by-step explanation:
S.A.=2(wl+hl+hw)=
2((3x9)+(4x3)+(4x9))
2(27+12+36)
2(75)
150