Answer:
561 is the surface area
Step-by-step explanation:
11 x 11 is the base area which equals 121. The height is 10 and the base is 11 for the triangles so it is 11 x 10 which equals 110. We multiply that number by 4 to equal 440. 440 + 121 equals 561 so 561 is the surface area.
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Step-by-step explanation:
The given expression is :

We need to find the equivalent expression for the above expression.
We can write 3 as 2+1
(This is the equivalent expression)
Also,

This is also an equivalent expression.