From the adjacent figure, $PQ\mathrm{\mid }\mathrm{\mid }RSPQ\backslash ,||\backslash ,RS$, $\mathrm{\angle }RPQ=52^{\circ }\backslash angle\; RPQ=52^\; \backslash circ$, $\mathrm{\angle }RPS=65^{\circ }\backslash angle\; RPS=65^\backslash circ$, $\mathrm{\angle }PSR=x^{\circ }\backslash angle\; PSR=x^\backslash circ$ and $\mathrm{\angle }PRQ=3y^{\circ }+5\backslash angle\; PRQ=3y^\backslash circ+5$, then the value of x + y is

Opposite angles of a cyclic quadrilateral are……

The area of a parallelogram whose base is ‘b’ units, height is ‘h’ units (in sq. units)

If the perimeters of a square and rectangle are equal, then

In a parallelogram, if one set of opposite angles are complementary, then the biggest angle in it is

ABCD is a rhombus such that $\mathrm{\angle }ABC\backslash angle\; ABC$ = 40°, then $\mathrm{\angle }ADC\backslash angle\; ADC$ is equal to

The bisectors of any two adjacent anglesof a $\parallel \backslash parallel$ gm intersect at

If the diagonal of a rhombus are 18 cm and 24 cm respectively, then its side is equal to

Three angles of a quadrilateral are 75°, 90°and 75°, the fourth angle is

A diagonal of a rectangle is inclined to one side of the rectangle at 25°. The acute angle between the diagonals is