Segment AC bisects angle BAD if the measure of angle BAC is 20 degrees what’s is the measure of angle BAD

In a circle, a 45° sector has an area of 32π cm2. what is the radius of this circle? 32 cm 12 cm 16 cm 8 cm

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.

Can someone me with the property questions for 12 13 and 14 plz