Question

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

Answer 1

Answer:

x=10

Step-by-step explanation:

you're going to use this formula

$\frac{ac}{df} = \frac{ab}{de}$

$\frac{18}{12} = \frac{15}{x}$

$x = \frac{12 \times 15}{18} = 10$