How would you find out how to solve these? Are the events dolphin group around in the afternoon and dolphin group partaking in travel mutually exclusive events?

Are the events dolphin group around in the afternoon and dolphin group partaking in social activities independent events?

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.

70.30

step-by-step explanation:

i need more details

step-by-step explanation: