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Por el Teorema de Pitagoras tenemos la relación: a2+b2=20"2
a2+b2= 400...(1)
a+b= 24...(2)
Piden área, o sea ab/2
Sabemos que:
(a+b)"2 = a"2 + b"2 +2ab
24"2 = (400) + 2ab
2ab=176
ab=88
ab/2=44=Área
Área= 44cm"2
Buen día!