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Verdich [7]
3 years ago
14

What is the value of x when y is 21

Mathematics
1 answer:
Marrrta [24]3 years ago
6 0

Answer:

7

Step-by-step explanation:

7 x 3 = 21

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Step-by-step explanation:

BD=5, BC=5*root(3), you can find it by using trigonometry.

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