Javier mide 1.60 m de estatura, en un momento dado proyecta una sombra de 0.50 m de largo. En ese instante el asta-bandera del patio de un colegio proyecta una sombra de 1.40
m. calcular la altura del asta bandera

the answer is c.

step-by-step explanation:

2y+y=5

add 2y and y

150

step-by-step explanation:

(sorry i'm not typing it again just read the other two explanation sections i just typed it'll be the same.)

true

step-by-step explanation:

intersecting chords are just lines that intersect. so a line is equal to 180 degrees, so when it is intersected by another chord, then it create supplementary angles, and because the lines cross, vertical angels are also formed.