# Geometry help check ??

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Given: <2 = <4, m<2 = 110
Proof: m<3 = 70

<2 = <4, m<2 = 110 Given
m<2 = m<4 Definition of congruent angles
m<4 = 110 b._______
<3 and <4 are a linear pair Definition of a linear pair(shown in diagram)
<3 and <4 are supplementary Linear Pair postulate
m<3 + m<4 = 180 c.________
m<3 = 70 d._______

b)supplementary
d) Proven ???

• Geometry help check ?? -

a. transitive
b. definition of supplementary angles
c. subtraction property of equality

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