Question

find the value of x in the triangle. the triangle has angles 55°, 63°, and x°. multiple - choice options: 43°, 99°, 62°

Explanation:

Step1: Recall triangle angle sum

The sum of angles in a triangle is $180^\circ$.

Step2: Sum the known angles

$55^\circ + 63^\circ = 118^\circ$

Step3: Calculate unknown angle $x$

$x = 180^\circ - 118^\circ$

Answer:

62°