what is ( mangle gfh )?
( mangle gfh=square^{circ} )

Question

Accepted Answer

# Explanation:
## Step1: Recall the total degrees in a circle
A full - circle has $360^{\circ}$.
## Step2: Set up the equation
Let $m\angle GFH=x$. Then $x + 80^{\circ}+145^{\circ}=360^{\circ}$.
## Step3: Solve for $x$
$$
\begin{align*}
x&=360^{\circ}-(80^{\circ}+145^{\circ})\
x&=360^{\circ}-225^{\circ}\
x& = 135^{\circ}
\end{align*}
$$

# Answer:
$135$

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QUESTION IMAGE

Question

Explanation:

Step1: Recall the total degrees in a circle

Step2: Set up the equation

Step3: Solve for \(x\)

Answer: