A. if angle sut is 39∘, what does that tell us about angle tuv? what arc measure describes arc vts? how can we make any assertions about these angle and arc measures? '
b. which line segments’ length can be calculated based on knowing the radius length? explain.
c. if angle mop is 49∘, which other angle measures can we calculate? what arc measures can we calculate? describe which concepts allow us to make these calculations.