Answer:
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answer: 474
Step-by-step explanation:
For these you have to do base × height for each face separately then add them up so. for the sides it would be 15 × 6 = 90 sense there matching there will be two 90's we add in the end for the front and back it would be 15 x 7 = 105 so there will be 2 105's we have to add in the end and for the top and bottom it will be 7 × 6 = 42 so now we have 2 42's we have to add so now we add them all up! 90 + 90 + 105 + 105 + 42 + 42 =474 So 474 is the total surface area! Hope this helps!
