UltimateGoal
15.07.2019 •
Mathematics
The picture shows a barn door: (height 7 feet, a is 45 degrees, c is a right angle) a barn door has two parallel bars. a support ab runs across the diagonal between the two parallel bars. the angle made by the diagonal with the parallel bar on top is 45 degrees. the distance between the two parallel bars is 7 feet. what is the length of the support ab?
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Ответ:
Ответ:
GK = 6x + 4
Step-by-step explanation:
3x + 5 - x + 4x - 1 - x + x
3x -x + 4x - x + x + 5 -1
6x + 4