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Recall the property of angles in a triangle.

May 17, 2026Mathematics

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Answer

x = 117^\circ

4 steps

Recall the property of angles in a triangle.
The sum of the interior angles in any triangle is always $180^\circ$ .
Identify the given angles.
The triangle has three angles: $3^\circ$ , $60^\circ$ , and $x^\circ$ .
Set up the equation for the sum of angles.
$3^\circ + 60^\circ + x^\circ = 180^\circ$
Solve for $x$ .
Combine the known angles:
$63^\circ + x^\circ = 180^\circ$
Subtract $63^\circ$ from both sides:
$x^\circ = 180^\circ - 63^\circ$ $x^\circ = 117^\circ$
The value of $x$ is $117^\circ$ .
$x = 117^\circ$