Observe the following figure and identify the parallel line segments:

Observe the following figure and identify the parallel line segments:

Observe the following figure and identify the parallel line segments:

Do the numbers given below denote the sides of a triangle?

$8.4, 16.1, 4.5$

Do the numbers given below denote the sides of a triangle?

Do the numbers given below denote the sides of a triangle?

$7, 5, 8$

In the given figure $PQRS$, find $\angle SPQ+\angle PQS +\angle SQR+\angle SRQ+\angle RSQ+\angle QSR$.

The lengths of the sides (in cm) of triangles are given. Classify the triangle.