Raju’s father’s age is $5$ years more than three times Raju’s age. Find Raju’s age, if his father is $44$ years old.

In Fig identify:

Five pairs of adjacent angles.

In Fig identify:

Three linear pairs.

In Fig identify:

Two pairs of vertically opposite angles.

Find angle $\mathrm{x}$. 

In the given figure find $\mathrm{m}\angle \mathrm{P}$.

Determine whether the triangle whose lengths of sides are $3 \mathrm{cm}, 4 \mathrm{cm}, 5 \mathrm{cm}$ is a right-angled triangle.