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Formula for Area of Rhombus

the area of a...

Question

the area of a rhombus is 139.2 cm^2 and its altitude is 9.6 cm. Find the perimeter of the rhombus.

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Solution

Rhombus is a modified parallelogram.
therefore ,area=basexheight
139.2=bx9.6
b=139.2/9.6
=29/2
=14.5cm.
base =14.5 =side
perimeter=4s
=14.5x4
=58.0cm

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Formula for Area of Rhombus

Standard VIII Mathematics

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