The diagonals of a Rhombus will intersect at ………

A line segment of length 7.8 cm is bisected then the length of each part is …… cm.

Identify acute angle from the following.

Angles like $0^{\circ }0^\backslash circ$, $30^{\circ }30^\backslash circ$, $45^{\circ }45^\backslash circ$, $60^{\circ }60^\backslash circ$, $90^{\circ }90^\backslash circ$, $120^{\circ }120^\backslash circ$ and $180^{\circ }180^\backslash circ$ are called …… angles.

In the Quadrilateral BELT, $\mathrm{\angle }B=80^{\circ }\backslash angle\; B=80^\backslash circ$, $\mathrm{\angle }E=100^{\circ }\backslash angle\; E=100^\backslash circ$, $\mathrm{\angle }L=120^{\circ }\backslash angle\; L=120^\backslash circ$ then $\mathrm{\angle }T\backslash angle\; T$ = ……

In Rhombus PQRS $\mathrm{\angle }P+\mathrm{\angle }Q+\mathrm{\angle }R+\mathrm{\angle }S\backslash angle\; P+\backslash angle\; Q+\backslash angle\; R+\backslash angle\; S$ = ……

In the parallelogram ABCD, $\mathrm{\angle }A-\mathrm{\angle }C\backslash angle\; A-\backslash angle\; C$ = ……

The side of a Rhombus is 5 cm then its perimeter is ……cm.

In the parallelogram SOAP, $\mathrm{\angle }S=100^{\circ }\backslash angle\; S=100^\backslash circ$ then $\mathrm{\angle }O\backslash angle\; O$ ……

The length and breadth of a rectangle is 3 cm and 4 cm then the length of its diagonal is …… cm.