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=

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

Those faced with caring for their children and parents are ____ happy as those who are not.

"what would not limit the effectiveness of feedback given through new media

Which factor was a primary reason for the shift described in this excerpt?

Analyze the policy of containment. How did the United States enact (make) this policy?

What was a result of Bacon's Rebellion? A. The colonies started to talk about being freed from English control. B. North Carolina separated from S

What are the terms that describe these values for the element oxygen 16 to 8

What state was part of the united states in 1793 A. Iowa B.Wisconsin C. Louisiana D.florida

what thing or item can you compare a thin frail child to

Suzy randomly picks marbles form a bag containing 13 identical marbles. how many possible outcomes are there of she selects 10 marbles?

What do minerals of the granulite facies typically have in common? what mineral is diagnostic of the blueschist facies in mafic rocks? what mineral's absence is