Questions: Find the value of x.

Find the value of x.
Transcript text: Find the value of $x$.
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Solution

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Solution Steps

Step 1: Sum of angles in a triangle

The sum of the angles in a triangle is 180°. In this case, the triangle has angles measuring x°, 51°, and 77°. Therefore, we can write the equation:

x + 51 + 77 = 180

Step 2: Simplify and solve for x

Combine the known angles:

x + 128 = 180

Subtract 128 from both sides of the equation:

x = 180 - 128

x = 52

Final Answer

52

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