Hep me 15pts surface area of a prism.
1 answer:
Answer:
A=360in^2
Step-by-step explanation:
there are 5 faces, 2 triangular, 3 rectangular
Triangular:
A=(9 * 10)/2=45
Since there are 2 of them the total is 90 in^2 for the triangles
Rectangular:
A=10*9=90
Since there are 3 the total is 270in^2
Total surface area is A=270+90=360in^2
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