2003
Mathematics
67ca00ce0c643c71d77dee1f
In the diagram above, PQ is parallel to RS. What is the value of α + β + γ?
A.
360°
B.
200°
C.
180°
D.
90°
Correct Answer: 360°
Explanation
γ + S = 180(Allied angles) S = 180 - γ α + P = 180(Allied angles) p = 180 - α β = P + S β = 180 - α + 180 - γ β = 360 - α - γ β + α + γ = 360
γ + S = 180(Allied angles) S = 180 - γ α + P = 180(Allied angles) p = 180 - α β = P + S β = 180 - α + 180 - γ β = 360 - α - γ β + α + γ = 360THIS WEEK's
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