SubArea: Analytic geometry in a planeLevel: BProject ID: 9000151304Accepted: 1Clonable: 0Easy: 0Find the angle \(\varphi \) between the lines \(y = 0\) and \(\frac{x} {2} + \frac{y} {3} = 1\).\(56^{\circ }19'\)\(13^{\circ }45'\)\(26^{\circ }46'\)\(81^{\circ }23'\)
