Here's the question you clicked on:
crystal1
Look at the figure shown below. Which statement is true? OA is the radius of the sphere, and QR is the chord of the sphere. OA is the chord of the sphere, and QR is the tangent to the sphere. OA is the diameter of the sphere, and QR is the chord of the sphere. OA is the radius of the sphere, and QR is the tangent to the sphere.
OA is the diameter of the sphere, and QR is the chord of the sphere.
OA is the diameter of the sphere, and QR is the chord of the sphere.
QR is tangent .. why do you say it chord ?
i would go with OA is the radius of the sphere, and QR is the tangent to the sphere.