A circular donut has a diameter of 7cm. The circular hole in the center of the donut has a radius of 1.5cm. Find the circumference
of the donut.
A-18.4 cm
B-56.52 cm
C-21.98 cm
D-84.78 cm

Will mark determine whether the conjecture is true or false. give a counterexample for any false conjecture. given: points r, s, and t conjecture: r, s, and t are coplanar. a) false; the points do not have to be in a straight line. b) true c) false; the points to not have to form right angles. d) false; one point may not be between the other two.