Circle Questions and Answers

A bicycle wheel has a diameter of 465 mm and has 30 equally spaced spokes. What is the approximate arc length, rounded to the nearest hundredth, between each spoke? Use 3.14 for T. Show your work.

As part of an experiment to test different liquid fertilizers, a sprinkler has to be set to cover an area of 130 square yards in the shape of a sector of a circle of radius 30 yards. Through what angle should the sprinkler be set to rotate? Express your answer in degrees. If necessary, round the answer to two decimal places. OA. 16.55° OB. 8.27° O C. 12.41° OD. 520.00⁰

A circle has the equation 3(x-3)² + 3y² = 3. (a) Find the center (h,k) and radius r of the circle. (b) Graph the circle. (c) Find the intercepts, if any, of the graph.

The endpoints of a diameter of a circle are (7,-4) and (-3,2). What is the equation of the circle in standard form? Enter your answer by filling in the boxes. Enter any fractions in simplified form. (x)²+(y)² =

A circle is drawn to represent a pizza with a 12 inch diameter. The circle is cut into eight congruent pieces. What is the length of the outer edge of any one piece of this circle? A. 3π/4 B. π C.3π/2 D. 3π