Answer :

bettystephenn

hi!

since its a cross, z is equal to the other side so z=102

since its a straight line, z+(6x+54)=180

so 102+6x+54=180

156+6x=180

6x=180-156

x=24/6=4

give this answer a brainliest if you want!

Answer:

x = 4, z = 102

Step-by-step explanation:

z and 102 are vertical angles and congruent, thus

z = 102

z and 6x + 54 form a straight angle and are supplementary, that is

z + 6x + 54 = 180

102 + 6x + 54 = 180

6x + 156 = 180 ( subtract 156 from both sides )

6x = 24 ( divide both sides by 6 )

x = 4

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