# How to Find the Square Footage of an Area That Has Different Lengths on Each Side

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Not all rooms are square, but to calculate the area of a room with uneven sides, it simply has to treated as if it was. The simple calculation can be applied to floors, walls or ceilings--any plane with an angled side. Or it can just be used to calculate the area of drawings or any surface. We will use a room as an example below.

### Things You'll Need

• Tape measure
• Calculator
• Measure the width of the room. Record this measurement as dimension "A."

• Measure the shortest of the two different wall lengths. Record this measurement as dimension "B."

• Measure the longest of the two walls and record this measurement as dimension "C."

• Calculate the area of the room by the following formula:

``````dimension A x dimension B= area segment "1"
(dimension C - dimension B) x dimension A = area segment "2"
area segment 2 &#xF7; 2 = area segment 3
area segments 1 + 3 = Square footage of room``````

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