Answer:
m<U=60°
Step-by-step explanation:

Answer:
3+(-4)
Step-by-step explanation:
i got it right
Answer:
x=14/3
Step-by-step explanation:
According to the corresponding angles theorem, when parallel lines are cut by a transversal, the corresponding angles are congruent. These 3 lines are all parallel, so 70 = 12x +14.
Subtract 14 from both sides
56 = 12x
Divide both sides by 12
14/3 = x
x=14/3
Answer:

Step-by-step explanation:
Notice that buy construction of a parallelogram,the angles
and
must equal each other. Then, based on the info given, we can write the following equation:

Then, angle
=
which is also equal to angle B
and since the addition of all internal angles of the parallelogram must equal
, then:

and therefore, since
and
must be equal, then:

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