In the parallelogram PQRS above, find angle SQR

Find the size of each exterior angle of a regular octagon

In the diagram above, find the value of x

PQRSTW  is a regular hexagon and OS intersect RT at V. Calculate $\angle TVS$

In the diagram above, calculate the value of x

Three straight line EF, GH, and LK intersect at O as shown above. If $\angle KOF={{52}^{o}}$and$\angle LOH={{85}^{o}}$, calculate the size of $\angle EOG$

The sum of interior angles of a regular polygon is 1800^o. Calculate the size of one exterior angle of the polygon

The sum of the interior angles of a pentagon is 6x + 6y. Find y in term of x 

In the diagram above PQ is parallel to RS. What is the $\alpha +\beta +\gamma $

The triangle PQR above is