Tan(angle) = opposite length/ adjacent length
Tan(50) = h/40
h = 40 x tan(50)
h = 47.67 or 47.7 feet
Notice the word LINE in COLLINEAR. <span>Collinear points are points that lie ON A LINE. Any two points are always collinear because you can always connect them with a straight line.
Notice the word PLANE in COPLANAR. </span> <span>A group of points that lie IN THE SAME PLANE are coplanar. Any two or three points are always coplanar.
I hope you get the answer you needed.
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Probability of any event = ( favourable outcomes ) /total number of outcomes
Probability of = 3/10 + 2/9 = 
You divide the perimeter by 4 to give you one side then multiply length times width to get you the area
25 is the greatest common factor of 75 and 25. 3 x 25 = 75.