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2 years ago

11

I am stuck and getting a head ache please help

1 answer:

astra-53 [7]2 years ago

7 0

Answer:

DF=20

Step-by-step explanation:

$\frac{9}{12}$ = $\frac{15}{DF}$

Use cross Multiplication

9DF=180

Divide 180 by 9

DF=20

Hope this helps! :)

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