Question

points lines and planes exit quiz
multiple choices

1. a line and a plane intersect in :

a. point b. line
c. plane d. line segment

1. two planes intersect in:

a. line segment b. line
c. point d. ray

1. identify a choice that best completes the statement.

		any	sometimes	no
b.	______ three points are collinear.	any	sometimes	no
c.	______ two lines that intersect, will intersect in a point.	any	sometimes	no

1. refer to each figure

(image of a pyramid - like figure with points d, a, h, n, l and plane π)
name three coplanar points.
name a point that is coplanar with l and h
name the intersection of plane π and plane nad.
name the intersection of plane nah and plane dhl.

Explanation:

Question 1

A line and a plane can intersect in a point (if the line is not parallel to the plane and doesn't lie on it) or a line (if the line lies on the plane). But generally, the most common case for a non - coplanar line and plane intersection is a point. So the answer is a. Point.

By the postulate of planes, two planes intersect in a line. So the correct option is b. Line.

By the definition of collinear points, any two points are collinear because a line can be drawn through any two points. So the answer is Any.

Answer:

a. Point

Question 2