In the diagram PQR is a straight line QRST is a... - WAEC Mathematics 2006 Question
In the diagram, PQR is a straight line, QRST is a parallelogram, < TPQ = 72o and < RST = 126o. What type of triangle is \(\bigtriangleup\) PQT?
A
An equilateral triangle
B
A right-angled triangle
C
An isosceles triangle
D
A scalene triangle
correct option: c
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