Respuesta :

clicker786

Answer:

242

Step-by-step explanation:

the formula for calculating surface area of a rectangular prism is :

2 ( wl + hl + hw)

where:

w is the width

h is the height

l is the length

= 2* (10*7 + 3*7 + 3*10 )

=242

the surface area is 242

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