Answer:
198 square yards ( the surface area is 198 square yards )
Step-by-step explanation:
the length is 9yd, the width is 6yd the height is 3yd .
( 6x9+ 6x3+ 9x3 ) x2
= ( 54 + 18 + 27 ) x2
= 198
the surface area is 198 square yards.
Rectangular surface area = ( length x height + length x width + width x height ) x2
