Practice problem
Area of a Quadrilateral
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Ally just moved and wants to buy a brand new couch. The problem is that Ally doesn't have a tape measure! She's trying to use various objects to find the dimensions of her room.
Ally has a lot of sticky notes and decides to use them to measure the open space. If one sticky note is three inches wide and three inches long, and Ally used sticky notes for the length and sticky notes for the width of the room, what is the total area of the space available for the couch?