In the parallelogram PQRS, $\mathrm{\angle }P={40}^{\circ }\backslash angle\; P=40^\backslash circ$, then $\mathrm{\angle }R\backslash angle\; R$ =

The ratio of two consecutive angles of a parallelogram is 1 : 2, then the greater angle is

$\mathrm{△}ABC\backslash triangle\; ABC$ is an equilateral triangle. D, E are the mid points of AB and AC respectively. If DE = 3 cm, then the perimeter of $\mathrm{△}ABC\backslash triangle\; ABC$ is

ABCD is a parallelogram. If $\mathrm{\angle }BAD={110}^{\circ }\backslash angle\; BAD=110^\backslash circ$, then $\mathrm{\angle }DCE\backslash angle\; DCE$ =

In the parallelogram PQRS, $\frac{1}{2}\mathrm{\angle }P+\frac{1}{2}\mathrm{\angle }Q\backslash frac\{1\}\{2\}\backslash angle\; P+\backslash frac\{1\}\{2\}\backslash angle\; Q$ =

In the given figure, $AC\perp BDAC\backslash perp\; BD$ and $AC\mathrm{\ne }BDAC\backslash neq\; BD$, then ABCD is a

ABC is an equilateral triangle with side 10 cm. The perimeter of the triangle formed by joining the mid points of the sides of $\mathrm{△}ABC\backslash triangle\; ABC$ is

The quadrilateral in which the diagonals are equal but not perpendicular to each other is

If one of the angles of the quadrilateral is ${120}^{\circ }120^\backslash circ$ and the remaining three angles are equal then the measure of each angle is

In a Trapezium ABCD, if $\overline{AB}\mathrm{\mid }\mathrm{\mid }\overline{DC}\backslash overline\{AB\}\backslash ,||\backslash ,\backslash overline\{DC\}$ and $\mathrm{\angle }D=x^{\circ }\backslash angle\; D=x^\backslash circ$ then $\mathrm{\angle }A\backslash angle\; A$ = ?