Find sin θ if cos θ = 4/7 and θ in quadrant iv. give an exact answer.

Find the area of the unshaded square

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.

Which of the following circles have their centers on the x-axis? check all that apply.