I don't know how to solve them

In geometry, a good knowledge of lines and points are important.
Thus, the answers to the given questions are:
1. a) 5 points are given in the figure (V, W, X, Y, Z)
b) 2 lines (a and b)
c) 1 plane (D)
d) Line a
e) W
f) YZ
g) X, Y, V
h) XYVZ
2. a) 9 points (M, N, O, P, Q, R, S, T, U)
b) 3 lines (c, d, e)
c) 2 planes (K, L)
d) PQ, MO, RS
e) M, R, Q, U
f) MO
g) N
h) S
i) M, N, O, U
j) Line d
3. a) 2 points ( G and H)
b) 9 lines
c) 3 planes
d) D, G, F
These ae the required answers to each of the given questions.
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