Answer:
450 square meters
Step-by-step explanation:
Hello, We need to find the surface area of the Rectangular prism.
<em>We multiply 2(wl+hl+hw)</em>
<em>2(8×9+9×9+9×8)</em>
<em>= 450</em>
<em>Therefore the answer is 450 square meters! :D</em>
<em>Hope I could help!!</em>
<em>-Nova</em>
<em>My mistake, at first I thought it was a cube, then noticed it was a rectangular prism!</em>