Please help ASAP! Thanks a lot
1 answer:
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We can use the ratios for special triangles (see the attachment below). We'll be using the 45-45-90 triangle. We notice that side BC is equal to 
, and side AC (x using the special right triangle) is equal to 16. We can therefore say that side BC is equal to 
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The formula for N choose K is given as:
C(n, k)=
Where,
n is the total numbers.
k is the number of the selected item.
Options C is correct.