Question

find the Area of a rhombus whose altitude is 4 CM and perimeter is 36 CM. ​

Answer 1

side=36/4
=9 cm
h=4cm

area = base×height
=9×4
=36cm²

Answer 2

36   cm² is the area of a rhombus whose altitude is 4 cm and perimeter is 36 cm

Given : a rhombus whose altitude is 4 cm and perimeter is 36 cm.

To Find :  Area of a rhombus

Solution:

Properties of Rhombus :

All Sides are equal

Diagonals bisects each other perpendicularly

Let say side length of Rhombus = a  cm

Perimeter of Rhombus = 4a  cm

Perimeter of the rhombus = 36 cm

Equate Perimeter

=> 4a = 36

=> a = 9  cm

Area of Rhombus  =  side  * altitude

= 9 x 4

= 36 cm²

Hence area of the  rhombus is 36   cm²

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