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If two lines intersect each other.prove …

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If two lines intersect each other.prove that vertically opposite angles are equal

    • Posted by Kirthikha Jaganathan 3 years, 8 months ago

    CBSE > Class 09 > Mathematics
    • 1 answers

    Alphonsa Jimmy 3 years, 8 months ago

    When two lines intersect each other, then the opposite angles, formed due to intersection are called vertical angles or vertically opposite angles. A pair of vertically opposite angles are always equal to each other. Also, a vertical angle and its adjacent angle are supplementary angles, i.e., they add up to 180 degrees. For example, if two lines intersect and make an angle, say X=45°, then its opposite angle is also equal to 45°. And the angle adjacent to angle X will be equal to 180 – 45 = 135°.

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