Question

Given: p || q, and r || s.

Prove: 4 is supplementary to 15.

Answer 1

What is the missing step in the given proof?
Statement: m 4 = m 15
Reason: Substitution Property of Equality
Statement: m 4 + m 8 = 180°
Reason: definition of supplementary angles
Statement: 7 and 8 are supplementary.
Reason: Linear Pair Theorem
Statement: m 4 = m 16
Reason: Transitive Property of Equality
Statement: 15 and 8 are supplementary.
Reason: Transitive Property of Equality

Answer 2

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