yeabsirat1 yeabsirat1

Today at 1:53 AM
Mathematics

Answered

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=

Answer :

lilickyicky23 lilickyicky23

Today at 1:59 AM

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.

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