We are given a triangle with one interior angle of $31^{\circ}$. The exterior angle at one vertex is $284^{\circ}$, and the interior angle at that vertex is labeled $x$. We need to find the values of $x$ and $y$, where $y$ is the remaining interior angle.

GeometryTrianglesAnglesInterior AnglesExterior AnglesAngle Sum Property
2025/6/22

1. Problem Description

We are given a triangle with one interior angle of 3131^{\circ}. The exterior angle at one vertex is 284284^{\circ}, and the interior angle at that vertex is labeled xx. We need to find the values of xx and yy, where yy is the remaining interior angle.

2. Solution Steps

First, we find the value of xx. Since the sum of an interior angle and its exterior angle is 180180^{\circ}, we have:
x+284=360x + 284^{\circ} = 360^{\circ}
x=360284x = 360^{\circ} - 284^{\circ}
x=76x = 76^{\circ}
Next, we find the value of yy. The sum of the interior angles of a triangle is 180180^{\circ}. Therefore,
31+x+y=18031^{\circ} + x + y = 180^{\circ}
31+76+y=18031^{\circ} + 76^{\circ} + y = 180^{\circ}
107+y=180107^{\circ} + y = 180^{\circ}
y=180107y = 180^{\circ} - 107^{\circ}
y=73y = 73^{\circ}

3. Final Answer

x=76x = 76^{\circ}
y=73y = 73^{\circ}

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