Answer:
The answer is 
Step-by-step explanation:
We have to:
So, if we take the 60 degree angle of the smallest triangle, we have to:
We do not know x. But if we take the sine of the angle of 30 degrees and the main triangle we have:
Then:
The purpose why these concepts are present in the pictures is to develop imagination power among students.
As you imagine more, your mind becomes stronger and you have greater mental control. Innovation requires a strong imagination. If you succeed in what you set out to do, the same individuals who now accuse you of daydreaming will begin to aspire to be like you. Keep your aspirations high and your imagination expanding.
Imagination is a potent brain stimulant because it forces you to think differently than most people do. Your imagination can help you come up with scenarios that most effectively handle difficulties, even though your brain might classify them as being unexpected.
Learn more about imagination power here
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the rise over run is 15/40 so the slope of the airplanes ascent is 0.375 feet per foot is move forward
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