Answer:
D) 312
Step-by-step explanation:
2(6*8)=96
6*9=54
9*10=90
8*9=72
96+54+90+71=312
A. 264m^2
Base SA = 8 x 9 = 72
Back SA = 6 x 9 = 54
Side SA = 1/2 (8 x 6) = 24
Front slope SA = 9 x 10 = 90
TSA = 72+ 54+24+24+90 = 264m^2
