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Akimi4 [234]
3 years ago
12

Pls hurry. thank you.

Mathematics
1 answer:
Cloud [144]3 years ago
3 0

Answer:

AC=BD=20 units

Step-by-step explanation:

given: the figure is a rhombus

therefore AB=BC=CD=DA=10 units (since given)

angle A= 60°

cos60°=AB/BD

1/2=10/x

therefore x=10×2

=20 units

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