2009
Mathematics
67ca00ce0c643c71d77dee1f
In the figure above , TS//XY and XY = TY, ∠STZ = 34°, ∠TXY = 47°, find the angle marked n?
A.
47°
B.
52°
C.
56°
D.
99°
Correct Answer: 52°
Explanation
In Δ TYX XY = TY ∴y =47° base ∠s of ISCΔ But y+x+34+47 = 180 interior opposite ∠s are supplementary 47 + x + 34 + 47 = 180 x + 128= 180 x = 180- 128 x = 52°
In Δ TYX XY = TY ∴y =47° base ∠s of ISCΔ But y+x+34+47 = 180 interior opposite ∠s are supplementary 47 + x + 34 + 47 = 180 x + 128= 180 x = 180- 128 x = 52°THIS WEEK's
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