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primary 6 | Maths | Geometry
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Univia M.
Univia M.

primary 6 chevron_right Maths chevron_right Geometry chevron_right Singapore

Please help thanks:)

Date Posted: 4 years ago
Views: 259
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AC Lim
AC Lim
4 years ago
Triangle RTS is equilateral triangle, internal angle are 60 each.

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AC Lim
Ac Lim's answer
12309 answers (A Helpful Person)
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Answer =75. Hope this help
AC Lim
AC Lim
4 years ago
TUS is isosceles triangle 180-30=150
Therefore 150/2=75.
AC Lim
AC Lim
4 years ago
Angle STU = Angle SRU = 60+ 15 =75.
Total angle = 60 + 75 +75+75+75