Answer:
I think A=66.67?Not too sure,sorry if I am wrong
Explanation:
convert 13 1/3 =39/3+1/3=40/3
A=0.5*bh
A=0.5*(40/3)*10
A=50*(40/3)
A=666.66666666 (6 repeated infinitely)
Round to whatever point you need to
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