∠S = 360° - ∠T - ∠Q - ∠R
∠T = 90°
∠Q = 128°
∠R = 57°
∠S = 360° - 90° - 128° - 57° = 85°
Answer: ∠S = 85°.
I believe that the answer is C. x - 114 : y - 34
Answer:
2.5
Step-by-step explanation:
graham crackers each student receive = total number of crackers / total number of students
20 / 8 = 2.5
Answer:
C) 100º
Step-by-step explanation:
It is the same as the first triangle and in the first triangle that angle is 100º