Quadrilaterals and its Terms

The endpoints of the same side of a polygon are called _____

M and O are the adjacent vertices of the given Quadrilateral.

Three consecutive vertices of a parallelogram are $(-2,-1), (1,0)$ and $(4,3)$. Find the fourth vertex.

Find the opposite vertices of quadrilateral given below

$P\left(-2,2\right), Q\left(8,2\right), R\left(4,-4\right),S\left(-6,-4\right)$ are the vertices of a quadrilateral. Find the opposite vertices of quadrilateral

$A\left(-2,2\right), B\left(8,2\right), C\left(4,-4\right),D\left(-6,-4\right)$ are the vertices of a quadrilateral. Find the opposite vertices of quadrilateral

If all the four sides of a quadrilateral are equal and perpendicular to each other, then its diagonals are $\sqrt{k}$ times of its sides.The value of $k$ is _____

Identify all pairs of the opposite vertices. How many pairs of opposite vertices?

Define opposite vertices of a quadrilateral.

In the figure given above PQRS is a quadrilateral. What is the measure of $ \angle $PSR ?

The angles of a quadrilateral are $ {x°}$, $ {(x-20)}^{°}$, $ {(x-30)}^{°}$, and $ 2{x°}$. What is the value of the greatest angle?

The two angles of a quadrilateral are equal to $ 78°$ and $ 142°$ and the other two angles are equal. The measure of the equal angles are

What is the value of ∠$ S$ ?

ABCD and PQRS are 2 quadrilaterals. Choose the correct statement from the following.

The sum of the angles of a concave quadrilateral is equal to

A diagonal of a quadrilateral divides it into

In a quadrilateral EFGH, $ \angle $E + $ \angle $G = $ 180°$ then $ \angle $F +$ \angle $H =