$In the diagram, PQR is a straight line, QRST is a parallelogram, < TPQ = 72o and < RST = 126o. What type of triangle is $\bigtriangleup$ PQT?$

In the diagram, PQR is a straight line, QRST is a parallelogram, < TPQ = 72^o and < RST = 126^o. What type of triangle is $\bigtriangleup$ PQT?

An equilateral triangle

A right-angled triangle

An isosceles triangle

A scalene triangle

Correct answer is C

No explanation has been provided for this answer.

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In the diagram, PQR is a straight line, QRST is a parallelogram, < TPQ = 72^o and < RST = 126^o. What type of triangle is \(\bigtriangleup\) PQT?