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Leno4ka [110]
3 years ago
6

A box contains three cards. one card is red on both sides, one card is green on both sides, and one card is red on one side and

green on the other. one card is selected from the box at random, and the color on one side is observed. if this side is green, what is the probability that the other side of the card is also green?
Mathematics
1 answer:
marin [14]3 years ago
4 0
Since there are two cards that have at least one green side, the chance of the other side being green is 1/2.
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Ratio of longer leg to hypotenuse is;  \sqrt{3} : 2

Step-by-step explanation:

This is the special right angle triangle 30°-60°-90°  as shown below in the figure.

  • The side opposite the 30° angle is always the shortest because 30 degrees is the smallest angle.
  • The side opposite the 60° angle will be the longer leg, because 60 degrees is the mid-sized degree angle in this triangle.
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In 30°−60°−90° right triangle,

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the sides are in proportion i.e,  1:\sqrt{3} :2

Therefore, the ratio of the length of the longer leg to the length of its hypotenuse is:  \sqrt{3} : 2



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