I’ll give Brainliest answer and 15 points. Find Y.
Round to the nearest tenth.
Z
17 ft
8 ft
X
16 ft
Y= [?]°
Law of Cosines: c2 = a2 + b2 – 2ab cos C

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