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Please help!

In the figure, b and c are parallel lines. Which of the following statements are true?

1.Joe claims the measure of angle 3 is equal to 90 degrees. Is he correct, why or why not?
2.state the measure of angle 5 and how you know!

Here is the figure thank you for any help!! :)

Please help In the figure b and c are parallel lines Which of the following statements are true 1Joe claims the measure of angle 3 is equal to 90 degrees Is he class=

Respuesta :

1) Not True, because angles on a straight line=180 degrees. So 72+90=162 not 180, 180-72=108, angle 3 is 108 degrees.
2) Angle 5=72 degrees because angle 5 is alternate to angle 72 degrees.

Hope this helps

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