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Answer =75. Hope this help

Date Posted:
4 months 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