Find the volume of the cylinder

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The graph shows the distance y, in inches, a pendulum moves to the right (positive displacement) and to the left (negative displacement), for a given number of seconds x. how many seconds are required for the pendulum to move from its resting position and return? enter your answer in the box.

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show