A B C D E represent the subjects
A+A1
A+B2
A+C3
A+D4
A+E5
B+B6
B+C7
B+D8
B+E9
C+C10
C+D11
C+E12
D+D13
D+E14
E+E15
15 combos
( 6 , 2)
in other words :
x = 6 , y = 2
Answer:
B
Step-by-step explanation:
cause it is
Answer:
C. 162 m2
Step-by-step explanation:
Surface Area
= 2(11×2) + 2(8×2) + 2(10 + 33)
= 44 + 32 + 86
= 162
Hence C