Which is a solution of tanx=sqrt(3)/3? Give your answer in radians.

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

List the sides of δrst in in ascending order (shortest to longest) if: a ∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12°

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.