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ser-zykov [4K]
3 years ago
11

I am stuck and getting a head ache please help

Mathematics
1 answer:
astra-53 [7]3 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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