Straight lines

Draw two lines c, d so that c || d. On line c mark points A, B, from point A start perpendicular to line c, from point B perpendicular to line c.


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Leave us a comment of this math problem and its solution (i.e. if it is still somewhat unclear...):

Showing 2 comments:
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Math student
I dont knw hw to calculate this

#
Matematik
me neither I haven't even learned this.

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Following knowledge from mathematics are needed to solve this word math problem:

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