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1.Which operation/s we should use to solve the given problem?
A. addition
B. addition and multiplication
C. division and multiplication
D. division, multiplication and subtraction

Problem;
- What is the surface area of a rectangular prism with a length of 7 meters, width of 9 meters and a height of 12 meters?​


Sagot :

Answer:

B

Step-by-step explanation:

A=2 (wl+hl+hw) = 2·(9·7+12·7+12·9)

=510m²