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Substitute the given values into the formula, and solve for the unknown variable.
A=1/2h(B+b); A=21, B = 2, b = 5
h=?

Respuesta :

DavidTheAnswer
21=1/2h(2+5)
21=1/2h+7
21
-7
14=1/2h

14 divided by 1/2 equals 28

h=28

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