Question

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Given:<2=<4, m<2= 110 degrees
Prove:m∠3 = 70º

<2=<4, m<2= 110 degrees Given
m∠2 = m∠4 Definition of congruent angles
m∠4 = 110º 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 = 180º

Answer 1

Given:<2=<4, m<2= 110 degrees
Prove:m∠3 = 70º

<2=<4, m<2= 110 degrees Given
m∠2 = m∠4 Definition of congruent angles
m∠4 = 110º 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 = 180º c. _______
m∠3 = 70º d. _______