somehow using pythagoras theorem doesn’t help me to get the answer for this qu

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secondary 4 | E Maths
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secondary 4 E Maths Singapore

somehow using pythagoras theorem doesn’t help me to get the answer for this question. can someone tell me what method to use instead thanks!

Date Posted: 4 years ago

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Date Posted: 4 years ago

Lee

4 years ago

thank u!