In a rhombus, one diagonal is equal to a side. find the corners of the rhombus.
August 16, 2021 | education
| Since ABCD is a rhombus, the lengths of all its sides are equal, AB = AD = BC = CD.
By condition, the length of the diagonal BD is equal to the length of the side of the rhombus, then in the triangle ABD, AB = AD = BD, and therefore the triangle ABD is equilateral, and then all its internal angles are 60.
Angle BAD = ABD = ADB = 60.
The sum of the adjacent corners of the rhombus is 180, and the opposite angles are equal.
Then the angle BCD = BAD = 60, the angle ABC = ADC = 180 – 60 = 120.
Answer: 120, 60, 120, 60.
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