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Select the correct answer.
Which pair of events is dependent?
ОА
You get a head and a tail in two coin tosses with two different coins.
B. You get a head and a tail in two coln tosses using the same coin twice.
C. You pick two numbered billiard balls from a bag of balls one after the other without replacement.
D. You draw two red cards one after the other with replacement.
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the correct option is 2.

step-by-step explanation:

according to the given information triangle abc is a right angle triangle with right angle at a. segment ab is 5 and segment ac is 7. point d is on segment bc and angles adb and adc are right angles.

it is given that triangles abd, cad, and cba are similar.

two triangles are similar if their corresponding sides are proportional.

in triangle cba, using pythagoras theorem

                      )

triangle abd and cba are similar,

                            (2)

triangle cad and cba are similar,

                      )

using (1), (2) and (3), we get

hence proved.

therefore option 2 is correct.

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