解析：If a and b are the lengths of the l_考试试题_GRE

【单选题】If a and b are the lengths of the legs of a right triangle whose hypotenuse is 10 and whose area is 20,what is the value of (a +B、²
A、100 B、120 C、140
D、180
E、200

网考网参考答案：D
网考网解析：
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