What is the circumference, in centimeters, of the circle? Use 3.14 for pi (please!!)

Find the value of a. the diagram is not to scale. a quadrilateral is drawn. the upper and lower sides are parallel. the interior angle in the upper left corner is labeled a degrees. the angle in the upper right corner is labeled 113 degrees. the angle in the lower right corner is labeled b degrees. the angle in the lower left corner is labeled 36 degrees. a. 36 b. 144 c. 54 d. 126

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

Can someone check if i did this correct. it’s number 4 if you’re wondering.