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olasank [31]
3 years ago
8

How do you prove that AM=1/2AB if what is given is M is the midpoint of line AB? 7 steps.

Mathematics
1 answer:
mestny [16]3 years ago
6 0


because a midpoint mean middle so A----------M----------B

AM is 1/2 of AB as well as BM is 1/2 of AB

4------------5----------6 if 5 is the midpoint how much is between 4 and 5 and 5 and 6


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A monument casts a 40 ft shadow. Adam is 6 ft tall and casts a 5 foot shadow. How tall is the monument
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Explanation:

To solve this, you must think of the monument and its shadow and Adam and his shadow as a triangle, the person/object being the vertical leg, the shadows being the horizontal leg, and a line connecting them being the hypotenuse.  Also, we can assume that these triangles are similar.  First, we can set the scale to be 40/5 (the two shadows set a scale because the triangles are similar).  Then, we can put x/6 (the actual things are similar, and the scale was established to be building/measurement).  Next, we can set the two fractions equal to each other (40/5 = x/6) and solve.  We can cross multiply to get 5x = 40 * 6.  That goes to  5x = 240.  Finally, we can divide by five on each side to get x = 48 feet (D).
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