Answer:
I think its D
Step-by-step explanation:
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The angle measurements of a triangle add up to be 180
Q+R+S=180
Q+(60)+(20)=180
Q+80=180
Q=100
your answer is B. 100
Answer:
180 degrees
Step-by-step explanation:
because 52 degrees + 104 degrees + 24 degrees = 180 degrees
Answer:
60
Step-by-step explanation:
7^2=7^2 +7^2 -2(7)(7).cos y