Lines Cut by a Transversal

Two parallel lines are crossed by a transversal. If m<6 = 123.5°, then m<1 is

a. 56.5

Given: Lines a and b are parallel and line c is a transversal. Prove: <2 is supplementary to <8 What is the missing reason in the proof?

a. corresponing angles

The m<6 = (11x + 8)° and m<7 = (12x - 4)° What is the measure of <4?

a. m<4 = 40°

Given x || y and w is a transversal Prove: <3 ~= <6 What is the missing reason in the proof?

a. transitive property

Two parallel lines are crossed by a transversal. What is the value of x?

a. x = 12

Two parallel lines are crossed by a transversal. What is the value of a?

b. a = 63

Lines b and c are parallel. What is the measure of <2?

b. m<2 = 50°

Two parallel lines are crossed by a transversal. What is the value of x?

b. x = 70

Two parallel lines are crossed by a transversal. What is the value of y?

b. y = 50

Two parallel lines are crossed by a transversal. What is the value of k?

c. k = 60

Two parallel lines are crossed by a transversal. What is the value of b?

d. b = 128

Given: m || n and p is a transversal Prove: m<2 = m<7 What is the missing reason in the proof?

c. transitive property.

Two parallel lines are crossed by a transversal. What is the value of x?

d. x = 37