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look at the planes abcd and efgh shown below: (picture 1)

the two planes intersect along which of the following lines?

a. ad
b. dj
c. jk
d. ka

you : )

The correct option c.

Step-by-step explanation:

In the figure we have two planes ABCD and EFGH.

From the figure it is noticed that the upper sides of plane ABCD is AB and the

upper sides of plane EFGH is EF.  The side AB and EF intersecting at point K.

The bottom sides of both planes are CD and GH. The sides CD and GH intersecting each other at point J.

Since the intersecting points of both planes are J and K, therefore the two planes intersect along JK.

Option c is correct.