You place a bet on the number 21 in roulette. the probability of winning is 1 38 , and the company hosting the casino night for
1 answer:
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Solution:
we have given the length of the rectangular card-
and, width-
now, the area of the card will be- length×width.
so, we have-
we also have given the length of ribbon-
and, width-
so, area of the ribbon is-
length×width
now the area of shaded gray region will be-
Hence, the required expression would the above expression.