lenzval31 lenzval31

16-03-2022
Mathematics

contestada

What is the length of DE?
B
E
15
.
18
Х
12
49°
18
со
49
12 F
A
O A. 15
B. 10
C. 9
D. 6

What is the length of DE B E 15 18 Х 12 49 18 со 49 12 F A O A 15 B 10 C 9 D 6 class=

Respuesta :

malakmaku malakmaku

16-03-2022

Answer:

x=10

Step-by-step explanation:

you're going to use this formula

[tex] \frac{ac}{df} = \frac{ab}{de} [/tex]

[tex] \frac{18}{12} = \frac{15}{x} [/tex]

[tex]x = \frac{12 \times 15}{18} = 10[/tex]

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