Math, asked by gadepranitha22, 8 months ago

The angle made by the line joining A(8,7) and B(8,9) with the positive direction of X-axis is:
A)180°
B)90°
C)60°
D)30°​

Answers

Answered by shwetasingh3446
4

Answer:

correct answer is A) 180°

Answered by ashisha3p
5

Answer:

90 degree

Step-by-step explanation:

m=(y2-y1)/(x2-x2)

=(9-7)/(8-8)

=2/0 which is infinite

so slope=-cot90=-1

=the required degree is 90

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