Answer + ! what is the length of side q, given r = 20, s = 30, and q = 15°? round the answer to the nearest tenth. [not drawn to scale] a. 11.9 b. 40.7 c. 140.9 d. 1659.1

What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality