Two perpendicular planes intersect at the center of a cube, each parallel to a different side of the cube. What geometric figures will be formed from this intersection?

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because 1.2 isnt half of 6 duh

d. bc = 12 and ef = 16

step-by-step explanation:

we are given that δabc : δdef such that .

also, it is given that

so, from the options, we need that .

a.

b.

c.  

d.

as, we can see that only option d gives the same ratio as i.e. .

hence, the possible lengths are bc = 12 and ef = 16.