Pls help me I do not want to fail math

Abcd is a parallelogram. the diagram is not drawn to scale. if m

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.

How do the definitions, properties, and postulates you've learned about line segments, parallel lines, and angles to define the shapes of polygons