Seudónimo
Seudónimo
27-01-2018
Mathematics
contestada
answer it it is worth 4 marks
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dannielle
dannielle
27-01-2018
h^2=13^2-5^2
h^2=169-25
h^2=144
h=V144
h=12
A=b*h/2=10*h/2
A=10*12/2=120/2=60 cm^2
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