JAMB - Mathematics (1995 - No. 43)
PT is a tangent to the circle TYZX. YT = YX and < PTX = 50o. Calculate < TZY
50o
65o
85o
130o
คำอธิบาย
XTY = 50o = TXY = \(\frac{130^o}{2}\)
= 65o
= 65o
PT is a tangent to the circle TYZX. YT = YX and < PTX = 50o. Calculate < TZY