Find the smaller angle of a parallelogram if its two angles are 4: 5.
| November 29, 2020 | education
The sum of the angles of a parallelogram adjacent to one side is 180 °.
Let 180 ° be 9x, then the smaller angle is 4x, the larger angle is 5x.
The smaller angle is 180 ° / 9 * 4 = 80 °
Answer: the smaller angle is 80 °.
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