Ali cycled from Town A to Town B. He covered 1/5 of the trip in the first hour and 1/3 of the trip in the second hour. He took 2 hours to cycle the remaining 14 km. Fin his average speed for the whole trip. I need this as soon as possible please answer this I will give brainlilest! :)

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.

6 cm

step-by-step explanation: