yes
When the line is inclined to the plane. That is, it is not in the plane nor is it parallel to it.
There are two possible answers; if the line is crossing the plane at an angle, then the line and the plane only intersect at one point. However, if the line is part of the plane, then the entire line intersects with the plane, and there are an infinite number of intersecting points.
Zero (if the line is parallel to the plane), one (generally), or an infinite number (if the line is within the plane).
A plane.
A letter opener is the only name that it has; letter opener is a singular, common, compound noun.
yes
the purpose of the letter opener is to open the letters in a neat way
crossword puzzle answer for " letter opener" and the answer starts with a "D". dearsir
A horizontal mirror plane though the the middle line of the E
nope because it can now be used as an offensive weapon to hiijac a plane
to open a letter neatly
The purpose of a letter opener is to open an envelope A) without a paper cut and B) with a neat and tidy slit.
point * * * * * or, nothing (if the line is parallel to the plane).
A plane intersects a line at a point, and i plane intersects another plane at a line.
A line is perpendicular to a plane when it is perpendicular on two lines from the plane
When the line is inclined to the plane. That is, it is not in the plane nor is it parallel to it.