Look at the figure below.

An irregular shape is made of 2 rectangles. The lower rectangle is 8 feet long and 1 foot wide. Centered on top of it is another rectangle that is 2 feet wide and an unknown length. The top rectangle is 1 foot shorter in length than the lower rectangle on both sides. The 2 rectangles form 1 shape.

Part A
Find the length of the missing side. Enter your answer in the box.

The missing side is
feet.

1 answer

Since the top rectangle is 1 foot shorter in length than the lower rectangle on both sides, the top rectangle's length must be 8 - 1 - 1 = 6 feet. So, the missing side is 6 feet.
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