Answer:
D
Step-by-step explanation:
Answer:
rectangle = 2(50) +2(70) + 2(35) = 310
square = 2(32) + 2(12) + 2(24) = 136
Add
136 + 310 = 446 cm^2
SA = 446 cm^2
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Step-by-step explanation:
Step-by-step explanation:
Substitute 3 and 4 into the expression:
3(3)²+24(4)
Work it out:
3(3)²+24(4)=123