AC Lim's answer to Univia M.'s Primary 6 Maths Geometry Singapore question.
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Answer =75. Hope this help
Date Posted:
4 years ago
TUS is isosceles triangle 180-30=150
Therefore 150/2=75.
Therefore 150/2=75.
Angle STU = Angle SRU = 60+ 15 =75.
Total angle = 60 + 75 +75+75+75
Total angle = 60 + 75 +75+75+75