In the given figure, what is the intersection of the planes DCE and FAB?

[Gr8fu13]

Please see attachment for image. Not the best artist but best I could do with a child swinging from my arm

In the given figure, what is the intersection of the planes DCE and FAB?

Answers are:
1. FE
2. AB
3. CD
4. BC

I am thinking that the answer is 1 because it touches the surface of both planes. Please confirm. Thanks!

 

[Deleted member 4993]

Please see attachment for image. Not the best artist but best I could do with a child swinging from my arm

In the given figure, what is the intersection of the planes DCE and FAB?

Answers are:
1. FE
2. AB
3. CD
4. BC

I am thinking that the answer is 1 because it touches the surface of both planes. Please confirm. Thanks!

I think you are correct in thinking so.