Which of the following is a valid reason for stating that < 1 ~ < 2? look at the two pictures

When two lines intersect and they make a 90 degrees angle between them, then those lines are said to be perpendicular to each-other and all four angles between them are 90 degrees each.

In the given diagram we can see that two lines are intersecting and angle ∠2 is marked as 90 degrees. It means these two lines are perpendicular to each other and all angles would be Right angles i.e. 90 degrees each.

Hence ∠1 ≅ ∠2 = 90°

Hence, option B is correct.

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step-by-step explanation:

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