Andrea Gabrielle Ong's answer to tiffany's Secondary 3 E Maths Singapore question.
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Pythagoras Theorem: a2 + b2 = c2
Area of triangle = 0.5 × base × height
Obtuse angle in straight line = -ve Acute angle
Area of triangle = 0.5 × base × height
Obtuse angle in straight line = -ve Acute angle
Date Posted:
2 years ago
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