Question

1. find m∠gfj if m∠efg = 110.
2. skew lines ? intersect.
3. parallel planes ? intersect.

Explanation:

Step1: Identify supplementary angles

$\angle EFG$ and $\angle GFJ$ are supplementary angles. Supplementary angles add up to 180 degrees.

Step2: Set up the equation

Let $m\angle GFJ=x$. We know that $m\angle EFG + x=180$. Given $m\angle EFG = 110$, the equation becomes $110+x = 180$.

Step3: Solve for $x$

Subtract 110 from both sides of the equation: $x=180 - 110$.
$x = 70$.

Answer:

$m\angle GFJ=70$