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Andrej [43]
3 years ago
9

13.

Mathematics
2 answers:
RUDIKE [14]3 years ago
8 0

Answer: 2,596 cm^2

Step-by-step explanation:

Given dimensions of rectangular prism :

length: 8 cm

width: 13 cm

height: 10.5 cm

If all the dimensions of the prism are doubled, then the new dimensions will be:

length: 16 cm

width: 26 cm

height: 21 cm

The surface area of rectangular prism is given by :-

S.A.=2(lw+wh+hl)\\\\\Rightarrow\ S.A.=2(16*26+26*21+21*16)\\\\\Rightarrow\ S.A.=2,596 cm^2

Hence, its new surface area 2,596 cm^2

svetlana [45]3 years ago
7 0
The answer is 2,596 so it would be C

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