En una granja escuela hay caballos, vacas, gansos y pollitos. Se sabe: El 44% de los animales tienen cuatro patas y el resto de los animales tienen dos. El número de caballos es el mismo que el de gansos. El número de vacas es 84. El 40% de los animales son pollitos. Calcular el número total de animales.

answer: the answer is 127 degrees

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.