Balaji Nila's answer to Risheeth's Primary 6 Maths Fractions Singapore question.

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Balaji Nila
Balaji Nila's answer
26 answers (Tutor Details)
1st
Focus on the triangle on the line of E J... Corner A is 90° and you have found the angle 57°

180-(90+57) =180-147 = 33°

180° -23 = 147 = angle p

Or rule of triangle... So 90+57 =147 angle p