Pls help to find the value of 'a'

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Secondary 1 | Maths
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Secondary 1 Maths Singapore

Pls help to find the value of 'a'

Date Posted: 6 years ago

done {{ upvoteCount }} Upvotes

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Date Posted: 6 years ago

Devi

6 years ago

Zakir, how did you get 540 degrees?

Devi

6 years ago

Wait...It's ok...I understood it. Thanks a lot!!