Question

52°, 51°, x°

Explanation:

Step1: Recall triangle - angle - sum property

The sum of the interior angles of a triangle is 180°. So, we have the equation \(51 + 52+x=180\).

Step2: Simplify the left - hand side

\(51 + 52=103\), so the equation becomes \(103 + x=180\).

Step3: Solve for \(x\)

Subtract 103 from both sides of the equation: \(x=180 - 103\).
\(x = 77\)

Answer:

77