Point c is the center of the circle. if angle acb measures (5x + 10)° and arc ab measures (x + 50)° , find x. 7 8 9 10

Which of the following expressions are equivalent ?

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)

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2