In a parallelogram if measures of two adjacent angles are in the ratio of 4:5 find all angles
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Given : Two adjacent angles of a parallelogram
Let the angles be 4x and 5x respectively.
As we know, that the sum of adjacent angles of a parallelogram is 180°
So, 4x + 5x = 180°
9x=180°
x = 20°
Hence, 4 × 20= 80° and 5×20 = 100°
Therefore, the required angles are 80° and 100°
Let the angles be 4x and 5x respectively.
As we know, that the sum of adjacent angles of a parallelogram is 180°
So, 4x + 5x = 180°
9x=180°
x = 20°
Hence, 4 × 20= 80° and 5×20 = 100°
Therefore, the required angles are 80° and 100°
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