43. Para determinar la altura de un árbol nos apoyamos en los siguientes triángulos semejantes que se forman entre el árbol y
1 answer:
Respuesta:
A.) BA = 12 m
Explicación paso a paso:
Usando triángulos similares:
BA / AC = DE / EC
BA = x; AC = 20; DE = 3; EC = 5
POR ESO ; TENEMOS :
x / 20 = 3/5
Multiplicar en cruz:
5 * x = 20 * 3
5 veces = 60
5x / 5 = 60/5
x = 12
You might be interested in
Answer:
13. c
14.a
15.c
16.d
17.b
18.d
19.a
20.b
Step-by-step explanation:
Answer:
b/a=9, 9 is the answere
Step-by-step explanation:
i did it mentally lol
Answer:
This is true because negative and positive is positive that why there is a addition sign in the middle and positive 40 becomes negative
Step-by-step explanation:
<h3>
Answer: 35 feet</h3>
Work Shown:
1 inch : 7 feet
5*(1 inch) : 5*(7 feet)
5 inches : 35 feet
5 inches on paper correspond to 35 feet in the actual house.
Answer:
The first one
Step-by-step explanation:
