2 years ago

Pls help me thank you

Mathematics

2 answers:

valina [46]2 years ago

7 0

Answer:

258

Step-by-step explanation:

6x12x1/2 = 30

30x2=60

13x11=143

5x11=55

60+55+143=258

surface area is 258cm cubed

Ierofanga [76]2 years ago

3 0

You have to find the area of all the sides and add them together. The answer is 390

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