A rectangle has vertices at (Negative2, 11), (Negative2, 4), (6, 11), and (6, 4). Pablo says the area of the rectangle is 49 square units and his work is shown below. Steps
Pablo’s Work
Step 1
Base: StartAbsoluteValue negative 2 EndAbsoluteValue + StartAbsoluteValue 6 EndAbsoluteValue = 8
Step 2
Height: 11 minus 4 = 7
Step 3
Area: 8 times 7 = 49 square units

Where, if at all, did Pablo first make a mistake finding the area of the rectangle?
Step 1
Step 2
Step 3
no mistake