The best and most correct answer among the choices provided by your question is the first choice or letter A.
<span>A plane of symmetry divides a solid into two congruent solids.</span>
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For the first one to find the total area you have to first find the area of the triangle 1/2(10x12.5)=62.5 and then the square (13.4x12.5)=167.5 which is 10468.75 totaled
