Seudónimo
Seudónimo
14-03-2017
Mathematics
contestada
I need help on this question the one I corcled
Respuesta :
bcalle
bcalle
14-03-2017
A = 1/2 * b * h
50 = 1/2 * b * 5
divide both sides by 5
10 = 1/2 * b
multiply 2 on both sides
20 = b
b = 20 km
CHECK
A = 1/2 * 20 * 5
A = 10 * 5
A = 50 km^2
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