tkerston tkerston
  • 25-09-2016
  • Mathematics
contestada




































The formula for the area A
A
of a trapezoid is A=12h(b1+b2)
A
1
2
h
b
1
b
2
, where h
h
is the height and b1
b
1
and b2
b
2
are the lengths of the two bases. Solve the formula for b1
b
1
.

Respuesta :

nobillionaireNobley
nobillionaireNobley nobillionaireNobley
  • 27-09-2016
A = 1/2h(b1 + b2)
2A = h(b1 + b2)
2A/h = b1 + b2
b1 = 2A/h - b2
Answer Link

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