Question

A= 180ft2, b1= ????? , b2= 26ft, h= 9ft
Help please

Answer 1

what image is this ?

Answer 2

not an image

Answer 3

what is it then? trapezoid ? fed up square? lol

Answer 4

trapezoid

Answer 5

\[Atrap = { (b1 - b2) \times height \over 2}\]
does that help ?

Answer 6

sorry, it should be (b1+b2)

Answer 7

I dont know what b1 is though

Answer 8

well you know everything else, right? So if you put in the formula what you have:
\[180 = {(b1 + 26) \over 2} \times 9\]

Answer 9

the answer should be 14. b2=(2A/h)-b1

Answer 10

ok thanks guys