Question

Homework 1 : Points, Lines and Planes

Answer 1

Answer:

—Section 1–

a) 5 points. (Points are the dots, there are 5.)

b) 2 lines. (Line a, line b.)

c) Just 1. (that 2D shape in the background.)

d) VWX (V is in the name.)

e) Point W is the intersection. (Both lines meet at that point, they intersect.)

f) YWZ or ZWY both works (Name the line by its points.)

g) XWZ, XWY, ZWV, etc. (Any 3 points that don’t go in a straight line).

h) YWV, ZWV, YXW, etc. (Any 3 points that are within the same plane.)

—Section 2–

a) 9 points.

b) 3 lines.

c) 2 planes.

d) P, N, G / M, N, O / R, N, S

e) N, T, U, P (Any 4 points that don’t belong in a single plane.)

f) O, N, M / M, N, O

g) Point N.

h) Point C.

i) N, M, U

j) Line D.

—Section 3–

a) 8 points.

b) 9 lines.

c) 5 planes.

d) F, H, C.

e) B, E, F.

f) Line AB.

g) Line EF.

h) Point D.