yeabsirat1 yeabsirat1
  • 13-09-2020
  • Mathematics
contestada

B
D
E
С
3
In the figure above, tan B
If BC = 15 and DA = 4, what is the length of DE

B D E С 3 In the figure above tan B If BC 15 and DA 4 what is the length of DE class=
Relax

Respuesta :

lilickyicky23 lilickyicky23
  • 13-09-2020

Answer:

Step-by-step explanation:

{y2+8y−128=0x=34⋅(y+4) ... The two right triangle are similar, so: BDAB=DEAC. From this, I obtain: ... AC=3x AB=4x (3x)²+(4x)²=225 x=3 BD=8 AB/AC=BD/DE 12/9=8/DE DE=6.

Answer Link

Otras preguntas

how to solve this problem
what events from "the black cat" seem to prove the wife's superstition about cats to be correct? a) the wife stops the narrator from killing the second cat in t
Tom rented a truck for one day. There was a base fee of $16.99 , and there was an additional charge of 90 cents for each mile driven. Tom had to pay $190.69
what's 8n-(2n-3)=12?
Help please! Will give brainliest
Convert 3.8 Km/sec to miles/year
I don't get all of this number's 20-46 pls help me do this HW I really need help please......
According to ________ theory workers are solely motivated by money
The amount of fluids a patient has taken in and produced is abbreviated:
which of the following would be the most likely premise of a story written by an author of a romantic literature? A. The progress of science and technology is a