Sagot :
The original formula of the trapezoid is
A=1/2(b1+b2)(h)
Multiply both sides by 2
2A=(b1+b2)(h)
Divide both sides by h
2A/h=b1+b2
Subtract b2 from both sides
2A/h -b2=b1
or simply
(2A-b2h)/h=b1
Hope this helps =)
A=1/2(b1+b2)(h)
Multiply both sides by 2
2A=(b1+b2)(h)
Divide both sides by h
2A/h=b1+b2
Subtract b2 from both sides
2A/h -b2=b1
or simply
(2A-b2h)/h=b1
Hope this helps =)