ABCD is a parallelogram if the two diagonals are equal ,find the measure of angle ABC
Asked by | 8th Sep, 2012, 12:43: PM
Expert Answer:
In a parallelogram if two diagonals are equal, then the parallelogram is a rectangle.
So, ABCD is a rectangle.
It is known that each interior angle of a rectangle is 90 degree.
Since ABC is an interior angle of rectangle ABCD, so measure of angle ABC is 90 degree.
In a parallelogram if two diagonals are equal, then the parallelogram is a rectangle.
So, ABCD is a rectangle.
It is known that each interior angle of a rectangle is 90 degree.
Since ABC is an interior angle of rectangle ABCD, so measure of angle ABC is 90 degree.
Answered by | 8th Sep, 2012, 08:11: PM
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