Figure ABCD is reflected across the y-axis. What are the coordinates of A' , B' , C' , and D' ? Enter your answer in each box. A' ( , ) B' ( , ) C' ( , ) D' ( , )

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)