Question

for what value of x+y.in fig 6.4 will be a line abc.justify your answer
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Answer 1

Answer:

It seems that here x+y is 160°

Step-by-step explanation:

So to make it a line i.e., a straight angle( 180°)

So if we will add 40° we will have our line.

Answer 2

Answer:

   

Step-by-step explanation: