Question

find the value of x.

Explanation:

Step1: Recall angle - sum property of a triangle

The sum of the interior angles of a triangle is 180°.
So, \(43^{\circ}+58^{\circ}+x^{\circ}=180^{\circ}\).

Step2: Simplify the left - hand side

\(43 + 58+x=180\), \(101+x = 180\).

Step3: Solve for \(x\)

Subtract 101 from both sides: \(x=180 - 101\).
\(x = 79\).

Answer:

\(79\)