(SAT Prep) Find the value of x.
Answers
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The value of x is equal to 24°
Given:
Angles in the triangle are 94°, 41° and the angles in the bisecting line are ∠x and 111°
To Find:
The value of x.
Solution:
In a triangle, the angle sum property is 180°, which means that the three angles of a triangle when added together are equal to 180°.
Here we can see two triangles. Let us name the larger triangle XYZ and the smaller triangle STZ.
The angles are named ∠X = 94°, ∠Y = 41°, and ∠Z. From the small triangle its named as ∠S = x, ∠T = 111° and ∠Z/
Let us find the value of ∠Z through the angle sum property of ΔXYZ
∠X + ∠Y + ∠Z = 180°
Substitute the values,
94° + 41° + ∠Z = 180°
135° + ∠Z = 180°
∠Z = 180° - 135°
∠Z = 45°
Let us find the value of x by solving the angle sum property of ΔSTZ
∠S + ∠T + ∠Z = 180°
x + 111° + 45° = 180°
x + 156° = 180°
x = 180° - 156°
x = 24°
Therefore, the value of x is equal to 24°
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