If $l=15cm,b=12cm,l=15\backslash ,cm,b=12\backslash ,cm,$ then the perimeter of a rectangle is …… cms.

If $l=15cm,b=12cm,l=15\backslash ,cm,b=12\backslash ,cm,$ then the area of a rectangle is …… sq. cm.

If the area of a rectangle is 180 sq.cm its length is 20 cm, then its breadth is … cm.

If the area of a parallelogram is 36 sq.cm, its base is 9 cm, then its height is … cms.

If the base of a parallelogram is twice of its height and area is 98 sq. cms, then its base is … cms.

If the height of a triangle is 5 cm, and its area is 40 sq. cms, then its base is …… cms.

The base of a triangle is 40 cm and its area is 220 $c{m}^{2}cm^2$, then its height is …… cms.

The diagonals of a rhombus are (a + b), (a – b), then its area is …… sq. units

Find the area of a rhombus whose diagonals are 3 cm, 7 cm is …… sq. cms.

The area of a rhombus is 96 $c{m}^{2}cm^2$, its one of its diagonal length is 12 cm, then the length of second diagonal is … cm.