Two straight lines, intersecting, form an acute angle, which is 4 times less than an obtuse one. Find the corners formed by straight lines.
| December 1, 2020 | education
Let the acute angle be = x, then the adjacent angle will be 4x.
4x + x = 180.
5x = 180.
x = 36 (acute angle.).
36 * 4 = 144 (obtuse angle.).
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