Respuesta :

Answer:

a. and b.

Step-by-step explanation:

a. m∠JKH+m∠JKL=180°

b. m∠JKL+m∠JLK+m∠KJL=180°

c. m∠JKH=m∠JLK

d. m∠JKL+m∠JLK=90°

Answer:

The first and second one.