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nasty-shy [4]
3 years ago
8

Given that lines a and b are parallel and that m∠4 = 128°, find m∠7.

Mathematics
2 answers:
Maurinko [17]3 years ago
5 0

Answer: Option 'c' is correct.

Step-by-step explanation:

Since we have given that

line a and line b are two parallel lines.

and there is a transversal.

Since m∠4 = 128°

And m∠4 and m∠8 are corresponding angles.

So, m∠4 = 128° = m∠8

Now, m∠7+m∠8=180° (linear pair)

m\angle 7+128^\circ=180^\circ\\\\m\angle 7=180^\circ-128^\circ\\\\m\angle 7=52^\circ

Hence, Option 'c' is correct.

Salsk061 [2.6K]3 years ago
3 0
Try (c 52) i just did the test and got an 83 it did show show the answer but ik what i put down hope this helps
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