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shaw that each angel of rectangle is right angle

    • Posted by Divanshu Sharma 3 years, 9 months ago

    CBSE > Class 09 > Mathematics
    • 4 answers

    Vanshika Dik 3 years, 9 months ago

    • means degree like 90• = 90 degree

    1Thank You

    Vanshika Dik 3 years, 9 months ago

    A rectangle is a parallelogram in which one angle is a right angle. Let ABCD be a rectangle in which angle A =90• We have , AD II BC and AB is a transversal. So , angle A + angle B= 180• [Interior angles on the same side of the transversal] But, angle A=90• So, angle B=180• - 90• = 90• Now, angle C= angle A and, angle D= angle B [ Opposite sides of the parallelogram] So, angle C=90• and angle D =90• Therefore, each of the angles of a rectangle is a right angle. Hence proved.

    1Thank You

    Yogita Mina 3 years, 9 months ago

    All ,the students now that all said are equally 360 and the we now ,4 said of rectangle So ,all said are equally 360×4 said of rectangle=360×4=90 so,say that all said of rectangle equally 90 degree

    2Thank You

    Kirti Singh 3 years, 9 months ago

    as we know a+b+c+d=360 and 360/4= 90... thus we can say that rectangle has 90 degrees on all sides

    3Thank You

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