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MAVERICK [17]
3 years ago
8

I need help please asap

Mathematics
1 answer:
lisabon 2012 [21]3 years ago
3 0

Answer:

468 in ^2; a

Step-by-step explanation:

Add each side of the prism;

Base: 15*10 = 150

Rectangular sides: 10*12+9*10 = 210

Triangular sides (x2): ((9*12)/2)*2 = 108

108+210+150 = 468 in ^2

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