Y a) ¿Qué relación hay entre el número de lados de una figura y el número de diago-
nales que se pueden trazar a partir de uno de sus vértices?
b) ¿Por qué el número de lados no coincide con el número de diagonales?
c) ¿Qué expresión algebraica permite calcular el total de diagonales que se pueden
trazar en un polígono a partir de un vértice. Ayuda porfa doy coronita

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step-by-step explanation:

d) by the cross product property, ab^2 = bc multiplied by ad

step-by-step explanation:

we are given

in the given triangle abc

angle a is 90° and segment ad is perpendicular to segment bc

we can see that

triangle(abc) and triangle(abd) are similar because they have common side and same angle (90 degree)

so, triangles(abc) and abd are similar

since, they are similar

so, the ratio of their sides must be equal

we get

now, we can cross multiply

and we get

so, this could be step to prove it

answer: i think you should do the math and pay attention in class : )

step-by-step explanation:

that is truly what   think but if i get the answer i will