# Question #d575c

##### 2 Answers

The formula for a rectangle is A=bh. A trapezoid has a different top and bottom, but a constant height. If you average the top and bottom lengths

#### Explanation:

The official formula is

#### Explanation:

To change the formula around, I like to have the 'subject' on the left side first and then keep it there, getting rid of all the other variables and numbers bit by bit.

To get rid of

Now, to get the