Question

Look at the image and solve please

Answer 1

Correct answer:
`b = (2A)/(h)`, first option.

`A=(bh)/(2)`

`2*A=(bh)/(2)*2` | multiply both sides by 2, 2's cancel out on the right.

`2A=bh`

`(2A)/(h) =(bh)/(h)` | divide h on both sides, h's cancel out on the right

`b = (2A)/(h)`