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secondary 3 | E Maths
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shoo0p
Shoo0p

secondary 3 chevron_right E Maths chevron_right Singapore

please help with a and b! if possible please also provide detailed explanation

Date Posted: 2 years ago
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Arnold K H Tan
Arnold K H Tan's answer
2108 answers (A Helpful Person)
1st
Bii) there are 2 different approaches. I used the simpler one: comparing a common triangle. Comparing triangle QOR and QRP is easiest using area of triangle = ½ x ab x sin(theta)