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Is this statement true or false?

 

If two lines are perpendicular, then they form a right angle.

 

A. true

B. false

 

 

 

 

In the diagram below, lines a and b are parallel and cut by a transversal, t. If angle 1 is 100 degrees, find the measure of angle 4.

 

 

A. 80


B. 50


C. 100


D. 90

 Jan 29, 2020
 #1
avatar+20217 
+3

True....THAT is the definition of perpindicular

 

 

Angle 1   and agle 4   form a straight line   ....they add to 180 degrees...so you should be able to calculate angle 4

 Jan 29, 2020
 #2
avatar+1481 
0

2. B ?

macabresubwoofer  Jan 29, 2020
 #3
avatar+20217 
+1

Are you just guesssing or what?

 

Angle 1   + angle 4   = 180

  100       + angle 4   = 180  

ElectricPavlov  Jan 29, 2020

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