In the figure above Ts xy and XY TY SYZ 34o TXY... - JAMB Mathematics 2009 Question
A
47o
B
52o
C
56o
D
99o
correct option: b
In Δ TYX
XY = TY ∴y =47o 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 = 52o
XY = TY ∴y =47o 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 = 52o
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