3. use the diagram to answer the following questions.
a) how many points appear in the figure
b) how many lines appear in the figure?
c) how many planes appear in the figure?
d) name three collinear points.
e) name four coplanar points.
1) name the intersection of planes abc and abe
g) name the intersection of planes bch and def.
h) name the intersection of ad and df

See explanation

Step-by-step explanation:

A. There are 8 points: A, B, C, D, E, F, G and H

B. There are 9 lines in the figure: AB, BC, AC, DE, DF, EF, BE, AD and CF

C. There are 5 planes in the figure: ABC, DEF, ABED, ACFD and BEFC

D. Three points are collinear if they lie on the same line. Collinear points are D,G and F or C,H and F

E. Coplanar points are those which lie in the same plane. Coplanar points are B, E, F and C or A, C, F and D or A, B, E and D or other combinations of four points lying in the same plane

I. Planes ABC and ABE intersect by a line AB

G. Planes BCH and DEF intersect by a line EF

H. Lines AD and DF intersect at a point D

the 3rd option is right

step-by-step explanation:

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step-by-step explanation:

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